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{{RightTOC}} [[Torbjorn CV]]. [[Category:Logs]]
{{RightTOC}}  
[[Torbjorn CV]]. [https://ludvigsen3dprinting.com/blog RepRap Blog].


I'm studying RepRap workshops, events where participants build their
I want to give people production power. I have a Master's in engineering physics and love self-replication. It is my tool to create and distribute production power. I love it in ideas, in free software, in RepRaps, in workshops and in complete enterprises.  
own generally useful production machines that can produce a large
fraction of their own parts.


I want to find factors that predict whether participants become workshop
== January 23, 2017 ==
organizers themselves or not.
: [https://salt.bountysource.com/teams/hangprinter Hangprinter Bountysource Salt campaign]


This would let us design workshops that reproduce and evolve while
== January 9 - 13, 2017 ==
simultaneously distributing the machines' potential to improve people's
: Participated in Nordic FabLab bootcamp. Working document: https://docs.google.com/document/d/1naM42hi3TyHskYq9mH_Fib52vonI1crsvGKaxWBzSGg/edit#
standards of living and quality of life on a large scale.


= Feb 15, 2016 =
== December 14, 2016 ==
New extensive Folgertech resource found: [[Folgertech_Kit#Other_Instructionals]].
: Testing line buildup compensation: [https://vitana.se/opr3d/tbear/index.html#hangprinter_project_26]


[[Gcode_Modularity]]
== December 11, 2016 ==
: Made Hangprinter compensate for line buildup on spools. See new code in [https://github.com/tobbelobb/hangprinter repo].
: Blog post about it: [https://vitana.se/opr3d/tbear/index.html#hangprinter_project_26]


More work on [[D3D Live ISO]]. Got Slic3r working nicely, and integrated with Pronterface. Got Arduino IDE working. Latest version ISO: [http://vitana.se/opr3d/tbear/iso/Porteus_with_Pronterface_Slic3r_Arduino_and_D3D_Conf_v0.iso Porteus_with_Pronterface_Slic3r_Arduino_and_D3D_Conf_v0.iso]
== December 8, 2016 ==
: [http://vitana.se/opr3d/tbear/index.html#hangprinter_project_24 Video: Hangprinter worm drive that works]


= Feb 13, 2016 =
== December 4, 2016 ==
Further Porteus config. Now handling Pronterface better, updated iso to v1. See [[D3D_Live_ISO#ISO_images]]
: Article on Opena's work on plastic recycling: http://opena.info/2016/12/04/threesome-plastic-recycling-open-source-circular-economy/


= Feb 11, 2016 =
== November 29, 2016 ==
: [[Filament_extruder#Filament_Winders]]


[[D3D Live ISO]]
== November 28, 2016 ==
: [http://vitana.se/opr3d/tbear/index.html#hangprinter_project_24 Another blog post on Hangprinter development]


Tested out [http://www.projectlibre.org/ Project Libre] with Andreas. [[File:D3D.pod]]
== November 23, 2016 ==
: Gave Hangprinter worm drive on D-axis and a better extruder: [https://github.com/tobbelobb/hangprinter/tree/worm_and_direct_drive new branch in repo]
: Discovered [https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features#.24t OpenSCAD animations]. Example from OskarLinde: [https://cloud.githubusercontent.com/assets/3725313/2719748/1b6bbefe-c566-11e3-9f95-ebbf408cdf41.gif]


= Feb 9, 2016 =
== November 20, 2016 ==
Experiment with 3D printing assembly manual using only OpenSCAD renders as visuals: [http://vitana.se/opr3d/tbear/index.html#Clerck_assembly_manual Clerck assembly manual]
: Learned and used [http://librecad.org LibreCAD] to prepare [https://preciousplastic.com/en/videos/build/shredder/ shredding machine parts] for water jetting


[[D3D Live ISO]]
== November 18, 2016 ==
: [http://vitana.se/opr3d/tbear/index.html#hangprinter_project_23 Blog post showing Hangprinter development]


Helped by Andreas to create [[D3D_Thesis_Project_Plan#Map_of_Deliverables]] to more easily manage myself and include others.
== November 7, 2016 ==
: [https://vimeo.com/190390850 Made Hangprinter timelapse from festival]


= Feb 5, 2016 =
== November 3, 2016 ==
Adjustments to [http://forums.reprap.org/read.php?14,607341,621359#msg-621359 lead screw sourcing forum post] from yesterday.
: Wrote [http://vitana.se/opr3d/tbear/index.html#hangprinter_project_21 Hangprinter Calibration Manual v0.1]


Ordered F6-12 thrust bearings for prototyping.
== November 2, 2016 ==
: [[Plastic_Shredder_Research]]


= Feb 4, 2016 =
== November 1, 2016 ==
Sourcing research on lead screws. Posted in [http://forums.reprap.org/read.php?14,607341,621359#msg-621359 forum thread].
: [[Open_Source_Filament_Extruders]]
: Designing workshop concept with [http://opena.info/ Opena]. It will include RepRap Assembly and plastic recycling machines. Working doc:  [https://docs.zoho.com/writer/open/025yd03ba3007f8bb4ad4beb4ae8a29b2fc1b]


Igus links in [[D3D_Printer_Design_Process#Practical_viability_of_lead_screws_for_3D_printing_loads_and_speeds]]
== October 24, 2016 ==
: [[Open_Source_Filament_Extruders]]


Ordered following products for lead screw prototyping: [http://no.rs-online.com/web/p/products/8854956/], [http://no.rs-online.com/web/p/products/8854814/], [http://no.rs-online.com/web/p/products/8854830/], [http://no.rs-online.com/web/p/products/8854827/], [http://no.rs-online.com/web/p/products/8854987/]
== October 21, 2016 ==
: Demonstrated Hangprinter at Oslo Skaperfestival (Maker Faire): https://vitana.se/opr3d/tbear/index.html#oslo_skaperfestival_2016


= Feb 2, 2016 =
== September 26, 2016 ==
Initiated [[3D_Printer_Quality_Control_Research]]
: [https://se.linkedin.com/in/torbjorn-ludvigsen CV overhaul]


Initiated [[3D_Printer_Extruder_Research]]
== September 23, 2016 ==
: Wrote [https://ludvigsen3dprinting.com/blog/index.html#hangprinter_project_20 blog post] discussing Hangprinter homing


Researched [[3D Printer Bed Leveling]]. See [[File:Bed_leveling_and_compensation_comparison.ods]] for full assessment matrix.
== September 21, 2016 ==
: Looking at [http://builders.reprap.org/2008/04/first-tests-of-haydon-linear-actuator.html Haydon linear actuator] as option for easily built RepRap design.
: Updated [[Servos]] with more sources.
: Wrote [https://ludvigsen3dprinting.com/blog/index.html#VSE_1 blog post] presenting two-motor extruder concept and commenting on servos


= Feb 1, 2016 =
== September 19, 2016 ==
Small change to [[Prusa i3 Build]].
: [[Servos]]


New research and complete rewrite of [[3D_Printer_Bed_Leveling]].
== September 14, 2016 ==
: Registered Ludvigsen 3d-printing and [http://www.appropedia.org/Clerck,_a_RepRap_3D_printer_hanging_from_the_ceiling the Hangprinter] for [https://www.facebook.com/events/1052788231502429/ 3d printing festival]
: Contacted [http://www.smykkekurs.no/ Smykkeskolen] about cooperation around starting FabLab in Larvik, arranging meeting...
: Continued [http://forums.reprap.org/read.php?1,705311,707327#msg-707327 discussion about gcode modularity]


Small change to [[3D_Printer_Hot_End_Research]].
== September 13, 2016 ==
: Lively discussion about gcode modularity in [http://forums.reprap.org/read.php?1,705311,707327#msg-707327 RepRap forum thread].
: Got in touch with creator of [http://dollo3d.com/ RepRap Dollo]
: Emailed thesis to Jo Prusa
: Yearly finiancial statements report for my limited company using [https://gnucash.org/ Gnucash] approved by Norwegian tax authorities


Initiated [[3D_Printer_Print_Surface_Research]].
== September 8-10, 2016 ==
: Field visit to [http://fellesverkstedet.no/ Fellesverkstedet] FabLab, [http://sonen.ifi.uio.no/ Åpen Sone] hackerspace, [http://www.tekniskmuseum.no/besok-oss/nyheter/1012-makerspace-lanseres-i-norge Teknoteket] Makerspace and [https://bitraf.no/ Bitaf] Hackerspace in Oslo.
: [[Vbird]] is a good start at a scalable, cheap, good linear actuator design
: Attended when [https://www.youtube.com/watch?v=OKeNQYNJM1I Koka and Bernt Isak Wærstad gave a distributed musical experience at Birtraf]


= Jan 30, 2016 =
== September 7, 2016 ==
[[D3D_Workshop_Roadmap]], [[D3D_Workshop_Slogans]], [https://docs.google.com/presentation/d/1duikQl9HMfHuUVAIQv4cDy1sGWZLujFzLxMRIGej5AY/edit?pref=2&pli=1#slide=id.p Folgertech 2020 Prusa i3 build working document], [https://www.facebook.com/OpenSourceEcology/photos/a.10151381815921562.574965.66469461561/10154554553731562/?type=3&theater Build Facebook post]
: Installed GuixSD on laptop by following [https://www.gnu.org/software/guix/manual/html_node/System-Installation.html#System-Installation these steps]. Extra time spent due to GuixSD being in beta very noticeable.


= Jan 29, 2016 =
== September 6, 2016 ==
Meeting with Jonathan and Marcin.
: New blog post: http://vitana.se/opr3d/tbear/index.html#portable_gcode_1
*We should investigate bulk prices for key parts (like stepper motors)
: Discussion in [http://forums.reprap.org/read.php?1,705311 portable gcode thread]
*I (Tobben) should collect some stories from the people I've given printers to. Stories of people who got empowered and made some money with their new RepRap knowledge and machines.
: Continued discussion in [http://forums.reprap.org/read.php?14,607341,705398 forum thread about lead screw for RepRap X and Y axes]
*Thesis data collection nr 1 happens tomorrow when Folgertech Prusa i3 kit is assembled on the Factor e farm.


= Jan 23, 2016 =
== September 5, 2016 ==
[[3D_Printer_Bed_Leveling]]
: Poll RepRap forums for interest in modular gcode: http://forums.reprap.org/read.php?1,705311
: Found good method for establishing a reference operating system: Specify a Guix configuration file. Guix VM creation seems easier than earlier proposed Docker image solution for D3D-Porteus distribution. See https://archive.fosdem.org/2016/schedule/event/deployments_with_gnu_guix/


[https://docs.google.com/presentation/d/194yjcF-Nk5P-wWkNLZduG910FuK_HnFIApBTexUDjxo/edit#slide=id.g10745b77da_3_3 Prusa i3 selection Google document]
== June 16, 2016 ==
: Master's approved.
: Approved version of thesis: [[File:Thesis.pdf]]


= Jan 20, 2016 =
== June 10, 2016 ==
Created [http://forums.reprap.org/read.php?1,612676 forum thread] asking for input on workshop kits.
: Defended Master's: [[File:Thesis_presentation_tobben.pdf]]


= Jan 19, 2016 =
== June 7, 2016 ==
CADded LM8UU standard linear bearings into D3D Printer (see repo).
: Got a Chromebook into [[D3D_Live_ISO#Computer_Models_Verified_to_Boot]] =)


Meeting on kit selection [https://docs.google.com/presentation/d/194yjcF-Nk5P-wWkNLZduG910FuK_HnFIApBTexUDjxo/edit#slide=id.p Kit considerations]
== June 6, 2016 ==
: [[3D_Printer_Workshops]]
: Finished presentation: [[File:Thesis_presentation_tobben.pdf]]


[[Prusa_i3_Development]]
== June 5, 2016 ==
: Working on presentation: [[File:Thesis_presentation_tobben.pdf]]


[[3D_Printer_Kit_for_Workshop_Research]]
== June 2, 2016 ==
: A couple of new laptop models: [[D3D_Live_ISO#Computer_Models_Verified_to_Boot]]


[[3D_Printer_Hot_End_Research]]
== May 31, 2016 ==
: Found some RepRap structural virality data at http://maytheclonebewithyou.com/.
: Included it in new version of thesis: [[D3D_Thesis#PDF_uploads]]
: Data collection scripts and such here: [https://github.com/tobbelobb/clone-analysis-scripts]


= Jan 17, 2016 =
== May 24, 2016 ==
[[D3D_Thesis#Workshop_Reproducibility]], some reserve plans created in [https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path for Thesis Project]
: New version of thesis uploaded [[D3D_Thesis#PDF_uploads]]


= Jan 13, 2016 =
== May 18, 2016 ==
Wrote [[D3D Thesis Project Plan]], sent to examiner.
: Needed some data on other RepRap assembly workshops' toolchains. Found 22 workshops, but most with limited info. Summarized here: [[File:Assembly workshops data collection through web search.ods]], published there: [[3D_Printer_Workshops_Analysis_of_Industry_Standards#Workshops_List]]
More insights on lead screws on the [http://forums.reprap.org/read.php?14,607341,607483 forum thread].
Verification from [http://www.vermontrapidprototyping.com/3dprinters Vermont Rapid Prototyping] that lead screws used by Trinitylabs lasts for at least 2 years. Put in [[D3D_Printer_Design_Process#Practical_viability_of_lead_screws_for_3D_printing_loads_and_speeds]].


= Jan 12, 2016 =
== May 13, 2016 ==
[https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path for Thesis Project], embedded in [[D3D Thesis Project Plan]].
: Uploaded thesis work in progress draft and made a place to put it: [[D3D_Thesis#PDF_uploads]]
: Contacted [http://botbuilder.net/ botbuilder.net] asking for input on D3D-Porteus


Bought:
== April 22, 2016 ==
*3xForce Sensing Resistors (Interlink Electronics FSR 400) for prototyping
: RepRap Wiki user MarcusWolschon has listed files needed to print RepRap assembly tools for workshops: [http://reprap.org/wiki/Development:Workshop_Tools]
*[https://ultimachine.com/content/rambo-13-complete-kit RAMBO v1.3 for prototyping]
: RepRap forums user xoan already made a Live ISO based on Debian with similar intentions as ours: [http://forums.reprap.org/read.php?1,474414,591715][http://meikian.eu/]


[[3D_Printer_Troubleshooting]]
== April 18, 2016 ==
: One new model in [[D3D_Live_ISO#Computer_Models_Verified_to_Boot]]


= Jan 11, 2016 =
== April 14, 2016 ==
Wrote and published [[D3D_Thesis#Team_Charter]].
: Sketched a Z-axis for the D3D Printer: [http://opensourceecology.org/wiki/File:Z_axis1.png]
: All code changes committed to [https://github.com/tobbelobb/D3D_Printer/tree/stripped repo].


[[D3D_Enterprise_Logic_Model]]
== April 13, 2016 ==
: Master's writing is going fairly well. Some development on D3D printer this week: [[D3D_Printer_Design_Process#Concept_Creation_Incomplete_Frame]]
: Two commits to [https://github.com/tobbelobb/D3D_Printer/tree/stripped branch new branch called 'stripped' in D3D_Printer repo]


= Jan 10, 2016 =
== April 10, 2016 ==
: [[D3D_Printer_Design_Process#Previous_Implementations]]


Some progress on the [http://forums.reprap.org/read.php?14,607341,607483 lead screw forum thread]. Emailed more skillful developers.
== Mar 29, 2016 ==
: Completing comments and some new models: [[D3D_Live_ISO#Computer_Models_Verified_to_Boot]]


Read up on possible choices for [[D3D_Printer_Electronics]]. Ordered smooth rods with linear bearings (sizes 8 mmm and 10 mm) for prototyping. Ordered powdered graphite for lubrication testing.
== Mar 26, 2016 ==
: Elaborated distributive enterprise part a bit: [[D3D_Value_Proposition#Main_Points]]
: Three new models: [[D3D_Live_ISO#Computer_Models_Verified_to_Boot]]
: Three new models: [[D3D_Live_ISO#Computer_Models_Not_Booting_D3D_Porteus]]
: Documented payment model: [[D3D_Business_Plan#Tips_and_Tricks_for_Hosts]]
: First complete run with Quality Control Interface. See [[3D_Printer_Quality_Control_Interface]] and https://github.com/tobbelobb/D3D-Printrun.
: [[3D_Printer_Quality_Control_Interface#Videos_Showing_Expected_Behavior]]
: Updated Marlin to give prettier output for QCface. See https://github.com/tobbelobb/D3D_Folgertech_Prusai3_Marlin.
: Initiated repo for D3D-Porteus: https://github.com/tobbelobb/D3D-Porteus
: [[3D_Printer_Workshop_Survey#Torbjorn]]


= Jan 9, 2016 =
== Mar 24, 2016 ==
Verification of lead screw: [https://www.youtube.com/watch?v=gk9lhcTGSH4 working all-leadscrew 3D printer], [[Stepper_Motor#Torque_Tests]], [[D3D Printer Design Process#Verification_Steps_Taken_for_Lead_Screw_.2B_Stepper_Motor_Concept]]
: Invited users of Porteus to better map which/how laptop models work with Porteus: https://forum.porteus.org/viewtopic.php?f=61&t=5658


Bought: [http://www.ebay.com/itm/301833740948?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Lead screw stepper motor 1] and [http://www.ebay.com/itm/262200758350?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Lead screw stepper motor 2] for some hands-on testing in February.
== Mar 21, 2016 ==
: [[3D_Printer_Quality_Control_Interface]] ready for first test usage. See https://github.com/tobbelobb/D3D-Printrun
: [[D3D_Thesis#Societal_Impact_of_Digital_Technology]]


Contacted [http://www.mooreinternational.co.uk/ Moore International] and [http://danish3d.dk/ Danish 3D] for help with choice and supply of lead screws.
== Mar 19, 2016 ==
: Published repo for D3D-Printrun: https://github.com/tobbelobb/D3D-Printrun


Discovered [http://www.contraptor.org/ Contraptor] that tries to use the concept of modular linear motion units, put into [[D3D Thesis#Earlier Work]].
== Mar 18, 2016 ==
: Prepared [https://docs.google.com/forms/d/136AIOvtZ9ste7SKgrEkQlrcxanXyZDaiAwDbZ98fLQQ/viewform data collection form] for workshop participants.


Read up on [[3D Printer Bed Leveling]].
== Mar 17, 2016 ==
: [[3D_Printer_Build_Plate#Polyethylenimine_.28PEI.29]]
: [[3D_Printer_Build_Plate#Polyisocyanurate_.28PIR.29_Foam]]
: Minor update to Slic3r settings in Porteus: [[File:D3D_Workshop_Configuration_64-bit_4.xzm]]


Summarized state of lead screw discussion in the RepRap community in a [http://forums.reprap.org/read.php?14,607341 forum thread asking for further insights]. Emailed various developers with lead screw designs, asking for experiences, thoughts, insights...
== Mar 16, 2016 ==
: Minor update to Marlin for D3D Porteus: [[File:Marlin in home.xzm]]. Transferred to Porteus USB at OSE.


[[3D_Printer_Filament_Load_Sensor]]
== Mar 15, 2016 ==
: [[3D_Printer_Quality_Control_Interface]]


= Jan 8, 2016 =
== Mar 11, 2016 ==
Some work on the [[D3D Design Methodology]].
: [[Tobbens_Adding_Inductive_Proximity_Sensor_Log#Repeatability_at_Changing_Temperature]]
Some usage of it logged in [[D3D Printer Design Process]].
: [[Folgertech_Kit#Improvements]]
Meeting with Marcin, initiated [https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path doc].
: [[Tobbens_Folgertech_Kit_Assembly_Log#Results]]


= Jan 7, 2016 =
== Mar 10, 2016 ==
Checked/commented on lifetimes: [[Stepper_Motor#Lifetime]], [[FFF_Extruder]], [[Lead_Screw]]
: On compensating curved print beds: [https://github.com/MarlinFirmware/Marlin/pull/1619]


Structuring of 3D printer design work: [[D3D Printer Design Process]], [[D3D Design Methodology]].
== Mar 7, 2016 ==
: [[Tobbens Adding Inductive Proximity Sensor Log#Data]]
: [[Tobbens Adding Inductive Proximity Sensor Log#Implementation]]


Structured wiki pages such that [[D3D Thesis]] is a sub-project of [[D3D Fusion]]. Changed [[D3D Fusion Project Plan]] to reflect this and initiated [[D3D Thesis Project Plan]].
== Mar 6, 2016 ==
The thesis project aims to bootstrap the [[D3D Workshop Kit]].
: [[Tobbens Adding Inductive Proximity Sensor Log]]
: New model added to [[D3D Live ISO#Computer Models Verified to Boot]]


Explained structure in [[D3D_Fusion#Naming_and_Links]]
== Mar 5, 2016 ==
: [https://github.com/tobbelobb/D3D_Folgertech_Prusai3_Marlin D3D_Folgertech_Prusai3_Marlin repo]
: [[Tobbens Folgertech Kit Assembly Log]]
: Started a Python script for future automation of this pre-flight quality control, published [https://github.com/tobbelobb/RepRap_QC_scripts/blob/master/pre_flight_routine.py here]
: [http://vitana.se/opr3d/tbear/iso/Porteus-D3D-Workshop-x86_64-v2.iso Porteus-D3D-Workshop-x86_64-v2.iso]


= Jan 6, 2016 =
== Mar 4, 2016 ==
Meeting with Andreas S, [https://docs.google.com/spreadsheets/d/1-NuTg0c_uta0i3vNUZtciD3cq6j1bS4RKWCIG8AOaR0/edit#gid=0 Work Breakdown Structure], [https://docs.google.com/presentation/d/1CrmuvgX19dYkeBbUlYqTmXBTjc8wqiDNU7MEwVNuTsg/edit#slide=id.geb160911a_2_25 D3D Team Project Charter].
: [http://forums.reprap.org/read.php?14,607341,634998#msg-634998 Reports on speed limit] of cheapest and most easily built drive system of single threaded rod + stepper motor. Research suggesting anti-resonant drivers could be cheaper than aggressively threaded lead screws posted in [http://forums.reprap.org/read.php?14,607341,635107#msg-635107 forum thread].
: [[Tobbens Folgertech Kit Assembly Log]]


Meeting with Marcin [https://docs.google.com/presentation/d/1jXC3V40cHqc2P8Oo-G2Z1G7IyytujYb4R3rIT9nZCpI/edit#slide=id.g8184a0e10_0_101 Long term Distributive Enterprise Milestones]
== Mar 3, 2016 ==
: [[Tobbens Folgertech Kit Assembly Log]]


Wrote something on [[D3D_Fusion_thesis#Funding_Mechanisms_for_Open_Source_Work]]
== Mar 2, 2016 ==
: [[D3D Live ISO#Computer Models Verified to Boot]]
: Some activity on [http://forums.reprap.org/read.php?14,607341,634531#msg-634531 Lead Screw forum thread].


= Jan 5, 2016 =
== Feb 28, 2016 ==
[[D3D_Fusion_Printer_Conceptual_Design]]
: Mapped OpenSCAD dependencies properly [http://opensourceecology.org/wiki/File:Openscad2.png Dependency map]
= Jan 4, 2016 =
: Re-compiled OpenSCAD, uploaded new 64-bit iso: [http://vitana.se/opr3d/tbear/iso/Porteus-D3D-Workshop-x86_64-v1.iso Porteus-D3D-Workshop-x86_64-v1.iso]. Updated [[D3D Live ISO#Instructions]] link.
Wrote some [https://www.overleaf.com/read/vmpdtnzsgdgg Project Plan stuff on Overleaf]. 3h meeting with Marcin. Finished [https://docs.google.com/document/d/1sQKi3QuQ1yPu_08zyo1cLMhrQGytiTHL4Mfd7JMUK2M/edit?ts=568a0631 OSE NEGOTIATION INVITATION].


= Jan 3, 2016 =
== Feb 26, 2016 ==
Defined moving part of D3D Printer's linear actuator. Reorganized code and wrote README (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
: Been through [https://en.wikipedia.org/wiki/Dependency_hell Dependency hell] trying to compile CAD software to Porteus. OpenSCAD works now, FreeCAD doesn't.


= Jan 2, 2016 =
== Feb 25, 2016 ==
Added [[D3D_Fusion_printer_design#Weight_calculation_for_steel_sheet_frame]] and [[D3D_Fusion_printer_design#Motor_placement]] to wiki. Two minor commits in [https://github.com/tobbelobb/D3D_Printer Github repo].
: [[D3D Live ISO#On Creating xzm Packages]]
= Dec 31, 2015 =
Re-organized [[D3D Requirements]]. Some progress on [https://docs.google.com/presentation/d/18lZ-c7xICEuWqdkpj-hTEY5QemeCp4e1U80k2w5bYFw/edit?pref=2&pli=1#slide=id.p Tech Tree of Choices for D3D Printer].


= Dec 30, 2015 =
== Feb 24, 2016 ==
Meeting with Marcin. Started [https://docs.google.com/presentation/d/18lZ-c7xICEuWqdkpj-hTEY5QemeCp4e1U80k2w5bYFw/edit?pref=2&pli=1#slide=id.p Tech Tree of Choices for D3D Printer].
: Published 64-bit Porteus ISO. See [[D3D Live ISO#Instructions]] Still lacks configured Marlin source code.
: Tried to compile FreeCAD. [[D3D Live ISO#Compilation of FreeCAD]] Abandoned because of difficulties with compiling Coin3.
: Documented creation of 64-bit Arduino package: [[D3D Live ISO#Arduino]]


= Dec 28, 2015 =
== Feb 23, 2016 ==
Reworked l_plate and basic frame (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
: Compiled gcc-5.3.0 package for 64-bit version of Porteus and documented the process: [[D3D Live ISO#Choice of Compiler Version]]
: Compiled OpenSCAD package for Porteus and documented the process: [[D3D Live ISO#CAD Software]]


= Dec 27, 2015 =
== Feb 22, 2016 ==
First rough visualization of D3D Fusion Printer done (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
: Got OpenSCAD 2015.03 to work on the 32-bit Live USB.
: Uploaded ~600 MiB iso file [http://vitana.se/opr3d/tbear/iso/Porteus_pronterface_slic3r_arduino_openscad_conf_i486.iso here].
: Minor changes to [[D3D Live ISO]]
: [[D3D Live ISO#Steps to boot Porteus on Macbook Air 2011]]


= Dec 26, 2015 =
== Feb 21, 2016 ==
Meeting with Marcin. Finished [[D3D Requirements]] together.
: Made repo with D3D Porteus Live USB OS [https://github.com/tobbelobb/D3D_Workshop_Configuration config files]
: Compiled GCC 5.3.0 for use in 32-bit version of Porteus: [http://vitana.se/opr3d/tbear/xzm/devel/gcc-5.3.0-i486.xzm xzm package link]


= Dec 25, 2015 =
== Feb 19, 2016 ==
Some progress in [https://github.com/tobbelobb/D3D_Printer Github repo].
: [[D3D Thesis#Line of Reasoning]]
: [[D3D Thesis#Background]]
: [[3D Printer Build Plate]]
: Updated point 15 on [[Tobbens Folgertech Kit Unboxing Log]]


= Dec 25, 2015 =
== Feb 18, 2016 ==
Made [https://github.com/tobbelobb/D3D_Printer Github repo] for D3D Printer OpenSCAD design.
: Got iso size down from 493 MiB (517 MB) to 299 MiB (313 MB). See [[D3D Live ISO#Stripping it down]] and updated download link in [[D3D Live ISO#Instructions]]
: Completed [[Tobbens Folgertech Kit Unboxing Log]] with some images and clarifying comments


= Dec 23, 2015 =
== Feb 17, 2016 ==
Wrote something on the D3D Printer design. [[D3D_Fusion_Printer_Design]] Needs to be fitted into a template.
: [[Tobbens Folgertech Kit Unboxing Log]]


= Dec 22, 2015 =
== Feb 16, 2016 ==
Work on visa application process. Skype meeting with Marcin. Discussion points:
: Ordered four LJ12A3-4-Z/BX Inductive Proximity Sensor Switches.
#[[Torbjorn DEF Agreement]].  DEF=Distributive Enterprise Fellow, under the [[EIR]] program. Including workshop schedule and number, and your tentative arrival date, and details regarding your university.
: Ordered GT2 belts, pulleys and belt tensioning springs.
#Locking in design requirements - [[D3D Requirements]] - both overall and module by module
: Ordered signal switching 1N4148 diodes.
#Defining the 'story' for the thesis. [[D3D Thesis Story]].
: [[Research On Inductive Proximity Sensors]]
#Beginning discussion on the tech tree of choices that we select to move forward - meaning specific implementation path for each module
: Updated [[File:Bed leveling and compensation comparison.ods]] with [https://www.youtube.com/watch?v=EcGFLwj0pnA Thomas Sanladerer's recommendation] and further comments on inductive sensing.
: Researched some brackets for induction sensor: [[Folgertech Kit#Candidates For Improvement Resolution]]


Found some data: [https://www.3dhubs.com/trends]
== Feb 15, 2016 ==
Nice discussion on hangout, got some text produced from it: [https://docs.google.com/document/d/1Ber5iA-2V7m_3mbh54ZsuRB-viTLd-sfb9GL3jj58GQ/edit?ts=5679a219]
: New extensive Folgertech resource found: [[Folgertech Kit#Other Instructionals]].
: [[Gcode Modularity]]
: More work on [[D3D Live ISO]]. Got Slic3r working nicely, and integrated with Pronterface. Got Arduino IDE working. Latest version ISO: [http://vitana.se/opr3d/tbear/iso/Porteus_with_Pronterface_Slic3r_Arduino_and_D3D_Conf_v0.iso Porteus_with_Pronterface_Slic3r_Arduino_and_D3D_Conf_v0.iso]
: [https://docs.google.com/presentation/d/1-kF_PPt1NU2PQZHaQFh712hjdcBuCc3dafmPdRSzNu0/edit?ts=56c23f04#slide=id.g1192b7f2d5_0_8 Prototype Planning]


Asked for data on RepRap Freenode IRC chat. Generated discussion about Prusa i3 Steel. Didn't read it all, so putting it here for future reference: [[Cut_From_Freenode_RepRap_22_Dec]]
== Feb 13, 2016 ==
: Further Porteus config. Now handling Pronterface better, updated iso to v1. See [[D3D Live ISO#ISO images]]


= Dec 21, 2015 =
== Feb 11, 2016 ==
Initiated Project Plan [[D3D_Fusion_project_plan]]. This is what Martin must approve before we can move on. Made thesis skeleton [[D3D_Fusion_thesis#Thesis_Skeleton]] from template in course documentation. Limited progress in FreeCAD.
: [[D3D Live ISO]]
: Tested out [http://ProjectLibre.org/ Project Libre] with Andreas. [[File:D3D.pod]]


= Dec 19, 2015 =
== Feb 9, 2016 ==
Commented proposed D3D requirements: [[Talk:D3D_Requirements]]. Added Lyman extruder to [[Open_Source_Filament_Extruders]]. ''See [[Power Tool Construction Set]].
: Experiment with 3D printing assembly manual using only OpenSCAD renders as visuals: [http://Vitana.se/opr3d/tbear/index.html#Clerck_assembly_manual Clerck assembly manual]
: [[D3D Live ISO]]
: Helped by Andreas to create [[D3D Thesis Project Plan#Map of Deliverables]] to more easily manage myself and include others.


= Dec 16, 2015 =
== Feb 5, 2016 ==
Presented some 3d printer design ideas in [[D3D_Fusion_printer_design]].
: Adjustments to [http://forums.reprap.org/read.php?14,607341,621359#msg-621359 lead screw sourcing forum post] from yesterday.
: Ordered F6-12 thrust bearings for prototyping.


= Dec 15, 2015=
== Feb 4, 2016 ==
Summarized short research about prior work of Prusa: [[D3D_Fusion_thesis#Earlier_Work]]
: Sourcing research on lead screws. Posted in [http://forums.reprap.org/read.php?14,607341,621359#msg-621359 forum thread].
: Igus links in [[D3D Printer Design Process#Practical viability of lead screws for 3D printing loads and speeds]]
: Ordered following products for lead screw prototyping: [http://no.rs-online.com/web/p/products/8854956/], [http://no.rs-online.com/web/p/products/8854814/], [http://no.rs-online.com/web/p/products/8854830/], [http://no.rs-online.com/web/p/products/8854827/], [http://no.rs-online.com/web/p/products/8854987/]


=Sun Dec 13, 2015=
== Feb 2, 2016 ==
Wrote short [http://opensourceecology.org/wiki/D3D_Fusion#Business_norms_and_science_norms comparison] between DE norms and science norms.
: Initiated [[3D Printer Quality Control Research]]
: Initiated [[3D Printer Extruder Research]]
: Researched [[3D Printer Bed Leveling]]. See [[File:Bed leveling and compensation comparison.ods]] for full assessment matrix.


=Thu Dec 10, 2015=
== Feb 1, 2016 ==
Initiated [[D3D_Fusion_thesis]] sketch. Also did a little overview on [[Large_Scale_Fused_Pellet_Fabrication]]. Got an overview of the MOST lab's work. Put in in [[D3D_Fusion_thesis]].
: Small change to [[Prusa i3 Build]].
: New research and complete rewrite of [[3D Printer Bed Leveling]].
: Small change to [[3D Printer Hot End Research]].
: Initiated [[3D Printer Print Surface Research]].


=Sun Dec 6, 2015=
== Jan 30, 2016 ==
Initiated this work log. Initiated [[D3D Fusion]]. Initiated D3D dev spreadsheed [https://docs.google.com/spreadsheets/d/1q4Smbyc0_MUNIIFQjmBc1-yq6sgeVxerCedJtWzahdo/edit#gid=1&vpid=A1]. '''Nice. Please embed spreadsheet in wiki.'''-MJ Embedding [[D3D_Fusion#Development_spreadsheet|Done]]
: [[D3D Workshop Roadmap]], [[D3D Workshop Slogans]], [https://docs.google.com/presentation/d/1duikQl9HMfHuUVAIQv4cDy1sGWZLujFzLxMRIGej5AY/edit?pref=2&pli=1#slide=id.p Folgertech 2020 Prusa i3 build working document], [https://www.facebook.com/OpenSourceEcology/photos/a.10151381815921562.574965.66469461561/10154554553731562/?type=3&theater Build Facebook post]
 
== Jan 29, 2016 ==
: Meeting with Jonathan and Marcin.
:* We should investigate bulk prices for key parts (like stepper motors)
:* I (Tobben) should collect some stories from the people I've given printers to. Stories of people who got empowered and made some money with their new RepRap knowledge and machines.
:* Thesis data collection nr 1 happens tomorrow when Folgertech Prusa i3 kit is assembled on the Factor e farm.
 
== Jan 23, 2016 ==
: [[3D Printer Bed Leveling]]
: [https://docs.google.com/presentation/d/194yjcF-Nk5P-wWkNLZduG910FuK_HnFIApBTexUDjxo/edit#slide=id.g10745b77da_3_3 Prusa i3 selection Google document]
 
== Jan 20, 2016 ==
: Created [http://forums.reprap.org/read.php?1,612676 forum thread] asking for input on workshop kits.
 
== Jan 19, 2016 ==
: CADded LM8UU standard linear bearings into D3D Printer (see repo).
: Meeting on kit selection [https://docs.google.com/presentation/d/194yjcF-Nk5P-wWkNLZduG910FuK_HnFIApBTexUDjxo/edit#slide=id.p Kit considerations]
: [[Prusa i3 Development]]
: [[3D Printer Kit for Workshop Research]]
: [[3D Printer Hot End Research]]
 
== Jan 17, 2016 ==
: [[D3D Thesis#Workshop Reproducibility]], some reserve plans created in [https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path for Thesis Project]
 
== Jan 13, 2016 ==
: Wrote [[D3D Thesis Project Plan]], sent to examiner.
: More insights on lead screws on the [http://forums.reprap.org/read.php?14,607341,607483 forum thread].
: Verification from [http://www.vermontrapidprototyping.com/3dprinters Vermont Rapid Prototyping] that lead screws used by Trinitylabs lasts for at least 2 years. Put in [[D3D Printer Design Process#Practical viability of lead screws for 3D printing loads and speeds]].
 
== Jan 12, 2016 ==
: [https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path for Thesis Project], embedded in [[D3D Thesis Project Plan]].
: Bought:
:* 3xForce Sensing Resistors (Interlink Electronics FSR 400) for prototyping
:* [https://ultimachine.com/content/rambo-13-complete-kit RAMBO v1.3 for prototyping]
: [[3D Printer Troubleshooting]]
 
== Jan 11, 2016 ==
: Wrote and published [[D3D Thesis#Team Charter]].
: [[D3D Enterprise Logic Model]]
 
== Jan 10, 2016 ==
: Some progress on the [http://forums.reprap.org/read.php?14,607341,607483 lead screw forum thread]. Emailed more skillful developers.
: Read up on possible choices for [[D3D Printer Electronics]]. Ordered smooth rods with linear bearings (sizes 8 mmm and 10 mm) for prototyping. Ordered powdered graphite for lubrication testing.
 
== Jan 9, 2016 ==
: Verification of lead screw: [https://YouTube.com/watch?v=gk9lhcTGSH4 working all-leadscrew 3D printer], [[Stepper Motor#Torque Tests]], [[D3D Printer Design Process#Verification Steps Taken for Lead Screw .2B Stepper Motor Concept]]
: Bought:
:* [http://eBay.com/itm/301833740948?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Lead screw stepper motor 1] and
:* [http://www.ebay.com/itm/262200758350?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Lead screw stepper motor 2] for some hands-on testing in February.
: Contacted [http://MooreInternational.co.uk Moore International] and [http://Danish3d.dk Danish 3D] for help with choice and supply of lead screws.
: Discovered [http://Contraptor.org Contraptor] that tries to use the concept of modular linear motion units, put into [[D3D Thesis#Earlier Work]].
: Read up on [[3D Printer Bed Leveling]].
: Summarized state of lead screw discussion in the RepRap community in a [http://forums.reprap.org/read.php?14,607341 forum thread asking for further insights]. Emailed various developers with lead screw designs, asking for experiences, thoughts, insights...
: [[3D Printer Filament Load Sensor]]
 
== Jan 8, 2016 ==
: Some work on the [[D3D Design Methodology]].
: Some usage of it logged in [[D3D Printer Design Process]].
: Meeting with Marcin, initiated [https://docs.google.com/drawings/d/1wSlnfzftSjfkOlMdXA6-QYl57jqg7d5m88IQpmr567E/edit Critical Path doc].
 
== Jan 7, 2016 ==
: Checked/commented on lifetimes: [[Stepper Motor#Lifetime]], [[FFF Extruder]], [[Lead Screw]]
: Structuring of 3D printer design work: [[D3D Printer Design Process]], [[D3D Design Methodology]].
: Structured wiki pages such that [[D3D Thesis]] is a sub-project of [[D3D Fusion]]. Changed [[D3D Fusion Project Plan]] to reflect this and initiated [[D3D Thesis Project Plan]].
: The thesis project aims to bootstrap the [[D3D Workshop Kit]].
: Explained structure in [[D3D Fusion#Naming and Links]]
 
== Jan 6, 2016 ==
: Meeting with Andreas S, [https://docs.google.com/spreadsheets/d/1-NuTg0c_uta0i3vNUZtciD3cq6j1bS4RKWCIG8AOaR0/edit#gid=0 Work Breakdown Structure],  [https://docs.google.com/presentation/d/1CrmuvgX19dYkeBbUlYqTmXBTjc8wqiDNU7MEwVNuTsg/edit#slide=id.geb160911a_2_25 D3D Team Project Charter].
: Meeting with Marcin [https://docs.google.com/presentation/d/1jXC3V40cHqc2P8Oo-G2Z1G7IyytujYb4R3rIT9nZCpI/edit#slide=id.g8184a0e10_0_101 Long term Distributive Enterprise Milestones]
: Wrote something on [[D3D Fusion thesis#Funding Mechanisms for Open Source Work]]
 
== Jan 5, 2016 ==
: [[D3D Fusion Printer Conceptual Design]]
 
== Jan 4, 2016 ==
: Wrote some [https://Overleaf.com/read/vmpdtnzsgdgg Project Plan stuff on Overleaf]. 3h meeting with Marcin. Finished [https://docs.google.com/document/d/1sQKi3QuQ1yPu_08zyo1cLMhrQGytiTHL4Mfd7JMUK2M/edit?ts=568a0631 OSE NEGOTIATION INVITATION].
 
== Jan 3, 2016 ==
: Defined moving part of D3D Printer's linear actuator. Reorganized code and wrote README (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
 
== Jan 2, 2016 ==
: Added [[D3D Fusion printer design#Weight calculation for steel sheet frame]] and [[D3D Fusion printer design#Motor placement]] to wiki. Two minor commits in [https://github.com/tobbelobb/D3D_Printer Github repo].
 
== Dec 31, 2015 ==
: Re-organized [[D3D Requirements]]. Some progress on [https://docs.google.com/presentation/d/18lZ-c7xICEuWqdkpj-hTEY5QemeCp4e1U80k2w5bYFw/edit?pref=2&pli=1#slide=id.p Tech Tree of Choices for D3D Printer].
 
== Dec 30, 2015 ==
: Meeting with Marcin. Started [https://docs.google.com/presentation/d/18lZ-c7xICEuWqdkpj-hTEY5QemeCp4e1U80k2w5bYFw/edit?pref=2&pli=1#slide=id.p Tech Tree of Choices for D3D Printer].
 
== Dec 28, 2015 ==
: Reworked l_plate and basic frame (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
 
== Dec 27, 2015 ==
: First rough visualization of D3D Fusion Printer done (see [https://github.com/tobbelobb/D3D_Printer Github repo]).
 
== Dec 26, 2015 ==
: Meeting with Marcin. Finished [[D3D Requirements]] together.
 
== Dec 25, 2015 ==
: Some progress in [https://github.com/tobbelobb/D3D_Printer Github repo].
 
== Dec 25, 2015 ==
: Made [https://github.com/tobbelobb/D3D_Printer Github repo] for D3D Printer OpenSCAD design.
 
== Dec 23, 2015 ==
: Wrote something on the D3D Printer design. [[D3D Fusion Printer Design]] Needs to be fitted into a template.
 
== Dec 22, 2015 ==
: Work on visa application process. Skype meeting with Marcin. Discussion points:
:# [[Torbjorn DEF Agreement]].  DEF=Distributive Enterprise Fellow, under the [[EIR]] program. Including workshop schedule and number, and your tentative arrival date, and details regarding your university.
:# Locking in design requirements - [[D3D Requirements]] - both overall and module by module
:# Defining the 'story' for the thesis. [[D3D Thesis Story]].
:# Beginning discussion on the tech tree of choices that we select to move forward - meaning specific implementation path for each module
: Found some data: [https://www.3dhubs.com/trends]
: Nice discussion on hangout, got some text produced from it: [https://docs.google.com/document/d/1Ber5iA-2V7m_3mbh54ZsuRB-viTLd-sfb9GL3jj58GQ/edit?ts=5679a219]
: Asked for data on RepRap Freenode IRC chat. Generated discussion about Prusa i3 Steel. Didn't read it all, so putting it here for future reference: [[Cut_From_Freenode_RepRap_22_Dec]]
 
== Dec 21, 2015 ==
: Initiated Project Plan [[D3D Fusion project plan]]. This is what Martin must approve before we can move on. Made thesis skeleton [[D3D Fusion thesis#Thesis Skeleton]] from template in course documentation. Limited progress in FreeCAD.
 
== Dec 19, 2015 ==
: Commented proposed D3D requirements: [[Talk:D3D Requirements]]. Added Lyman extruder to [[Open Source Filament Extruders]]. ''See [[Power Tool Construction Set]].
 
== Dec 16, 2015 ==
: Presented some 3d printer design ideas in [[D3D Fusion printer design]].
 
== Dec 15, 2015 ==
: Summarized short research about prior work of Prusa: [[D3D Fusion thesis#Earlier Work]]
 
== Sun Dec 13, 2015 ==
: Wrote short [[D3D Fusion#Business norms and science norms]] comparison between DE norms and science norms.
 
== Thu Dec 10, 2015 ==   
: Initiated [[D3D Fusion thesis]] sketch. Also did a little overview on [[Large Scale Fused Pellet Fabrication]]. Got an overview of the MOST lab's work. Put in in [[D3D Fusion thesis]].
 
== Sun Dec 6, 2015 ==
: Initiated this work log. Initiated [[D3D Fusion]]. Initiated D3D dev spreadsheed [https://docs.google.com/spreadsheets/d/1q4Smbyc0_MUNIIFQjmBc1-yq6sgeVxerCedJtWzahdo/edit#gid=1&vpid=A1]. Embedding [[D3D Fusion#Development spreadsheet| Done]]


[[Category:Logs]]
[[Category:Logs]]

Latest revision as of 09:24, 24 January 2017

Torbjorn CV. RepRap Blog.

I want to give people production power. I have a Master's in engineering physics and love self-replication. It is my tool to create and distribute production power. I love it in ideas, in free software, in RepRaps, in workshops and in complete enterprises.

January 23, 2017

Hangprinter Bountysource Salt campaign

January 9 - 13, 2017

Participated in Nordic FabLab bootcamp. Working document: https://docs.google.com/document/d/1naM42hi3TyHskYq9mH_Fib52vonI1crsvGKaxWBzSGg/edit#

December 14, 2016

Testing line buildup compensation: [1]

December 11, 2016

Made Hangprinter compensate for line buildup on spools. See new code in repo.
Blog post about it: [2]

December 8, 2016

Video: Hangprinter worm drive that works

December 4, 2016

Article on Opena's work on plastic recycling: http://opena.info/2016/12/04/threesome-plastic-recycling-open-source-circular-economy/

November 29, 2016

Filament_extruder#Filament_Winders

November 28, 2016

Another blog post on Hangprinter development

November 23, 2016

Gave Hangprinter worm drive on D-axis and a better extruder: new branch in repo
Discovered OpenSCAD animations. Example from OskarLinde: [3]

November 20, 2016

Learned and used LibreCAD to prepare shredding machine parts for water jetting

November 18, 2016

Blog post showing Hangprinter development

November 7, 2016

Made Hangprinter timelapse from festival

November 3, 2016

Wrote Hangprinter Calibration Manual v0.1

November 2, 2016

Plastic_Shredder_Research

November 1, 2016

Open_Source_Filament_Extruders
Designing workshop concept with Opena. It will include RepRap Assembly and plastic recycling machines. Working doc: [4]

October 24, 2016

Open_Source_Filament_Extruders

October 21, 2016

Demonstrated Hangprinter at Oslo Skaperfestival (Maker Faire): https://vitana.se/opr3d/tbear/index.html#oslo_skaperfestival_2016

September 26, 2016

CV overhaul

September 23, 2016

Wrote blog post discussing Hangprinter homing

September 21, 2016

Looking at Haydon linear actuator as option for easily built RepRap design.
Updated Servos with more sources.
Wrote blog post presenting two-motor extruder concept and commenting on servos

September 19, 2016

Servos

September 14, 2016

Registered Ludvigsen 3d-printing and the Hangprinter for 3d printing festival
Contacted Smykkeskolen about cooperation around starting FabLab in Larvik, arranging meeting...
Continued discussion about gcode modularity

September 13, 2016

Lively discussion about gcode modularity in RepRap forum thread.
Got in touch with creator of RepRap Dollo
Emailed thesis to Jo Prusa
Yearly finiancial statements report for my limited company using Gnucash approved by Norwegian tax authorities

September 8-10, 2016

Field visit to Fellesverkstedet FabLab, Åpen Sone hackerspace, Teknoteket Makerspace and Bitaf Hackerspace in Oslo.
Vbird is a good start at a scalable, cheap, good linear actuator design
Attended when Koka and Bernt Isak Wærstad gave a distributed musical experience at Birtraf

September 7, 2016

Installed GuixSD on laptop by following these steps. Extra time spent due to GuixSD being in beta very noticeable.

September 6, 2016

New blog post: http://vitana.se/opr3d/tbear/index.html#portable_gcode_1
Discussion in portable gcode thread
Continued discussion in forum thread about lead screw for RepRap X and Y axes

September 5, 2016

Poll RepRap forums for interest in modular gcode: http://forums.reprap.org/read.php?1,705311
Found good method for establishing a reference operating system: Specify a Guix configuration file. Guix VM creation seems easier than earlier proposed Docker image solution for D3D-Porteus distribution. See https://archive.fosdem.org/2016/schedule/event/deployments_with_gnu_guix/

June 16, 2016

Master's approved.
Approved version of thesis: File:Thesis.pdf

June 10, 2016

Defended Master's: File:Thesis presentation tobben.pdf

June 7, 2016

Got a Chromebook into D3D_Live_ISO#Computer_Models_Verified_to_Boot =)

June 6, 2016

3D_Printer_Workshops
Finished presentation: File:Thesis presentation tobben.pdf

June 5, 2016

Working on presentation: File:Thesis presentation tobben.pdf

June 2, 2016

A couple of new laptop models: D3D_Live_ISO#Computer_Models_Verified_to_Boot

May 31, 2016

Found some RepRap structural virality data at http://maytheclonebewithyou.com/.
Included it in new version of thesis: D3D_Thesis#PDF_uploads
Data collection scripts and such here: [5]

May 24, 2016

New version of thesis uploaded D3D_Thesis#PDF_uploads

May 18, 2016

Needed some data on other RepRap assembly workshops' toolchains. Found 22 workshops, but most with limited info. Summarized here: File:Assembly workshops data collection through web search.ods, published there: 3D_Printer_Workshops_Analysis_of_Industry_Standards#Workshops_List

May 13, 2016

Uploaded thesis work in progress draft and made a place to put it: D3D_Thesis#PDF_uploads
Contacted botbuilder.net asking for input on D3D-Porteus

April 22, 2016

RepRap Wiki user MarcusWolschon has listed files needed to print RepRap assembly tools for workshops: [6]
RepRap forums user xoan already made a Live ISO based on Debian with similar intentions as ours: [7][8]

April 18, 2016

One new model in D3D_Live_ISO#Computer_Models_Verified_to_Boot

April 14, 2016

Sketched a Z-axis for the D3D Printer: [9]
All code changes committed to repo.

April 13, 2016

Master's writing is going fairly well. Some development on D3D printer this week: D3D_Printer_Design_Process#Concept_Creation_Incomplete_Frame
Two commits to branch new branch called 'stripped' in D3D_Printer repo

April 10, 2016

D3D_Printer_Design_Process#Previous_Implementations

Mar 29, 2016

Completing comments and some new models: D3D_Live_ISO#Computer_Models_Verified_to_Boot

Mar 26, 2016

Elaborated distributive enterprise part a bit: D3D_Value_Proposition#Main_Points
Three new models: D3D_Live_ISO#Computer_Models_Verified_to_Boot
Three new models: D3D_Live_ISO#Computer_Models_Not_Booting_D3D_Porteus
Documented payment model: D3D_Business_Plan#Tips_and_Tricks_for_Hosts
First complete run with Quality Control Interface. See 3D_Printer_Quality_Control_Interface and https://github.com/tobbelobb/D3D-Printrun.
3D_Printer_Quality_Control_Interface#Videos_Showing_Expected_Behavior
Updated Marlin to give prettier output for QCface. See https://github.com/tobbelobb/D3D_Folgertech_Prusai3_Marlin.
Initiated repo for D3D-Porteus: https://github.com/tobbelobb/D3D-Porteus
3D_Printer_Workshop_Survey#Torbjorn

Mar 24, 2016

Invited users of Porteus to better map which/how laptop models work with Porteus: https://forum.porteus.org/viewtopic.php?f=61&t=5658

Mar 21, 2016

3D_Printer_Quality_Control_Interface ready for first test usage. See https://github.com/tobbelobb/D3D-Printrun
D3D_Thesis#Societal_Impact_of_Digital_Technology

Mar 19, 2016

Published repo for D3D-Printrun: https://github.com/tobbelobb/D3D-Printrun

Mar 18, 2016

Prepared data collection form for workshop participants.

Mar 17, 2016

3D_Printer_Build_Plate#Polyethylenimine_.28PEI.29
3D_Printer_Build_Plate#Polyisocyanurate_.28PIR.29_Foam
Minor update to Slic3r settings in Porteus: File:D3D Workshop Configuration 64-bit 4.xzm

Mar 16, 2016

Minor update to Marlin for D3D Porteus: File:Marlin in home.xzm. Transferred to Porteus USB at OSE.

Mar 15, 2016

3D_Printer_Quality_Control_Interface

Mar 11, 2016

Tobbens_Adding_Inductive_Proximity_Sensor_Log#Repeatability_at_Changing_Temperature
Folgertech_Kit#Improvements
Tobbens_Folgertech_Kit_Assembly_Log#Results

Mar 10, 2016

On compensating curved print beds: [10]

Mar 7, 2016

Tobbens Adding Inductive Proximity Sensor Log#Data
Tobbens Adding Inductive Proximity Sensor Log#Implementation

Mar 6, 2016

Tobbens Adding Inductive Proximity Sensor Log
New model added to D3D Live ISO#Computer Models Verified to Boot

Mar 5, 2016

D3D_Folgertech_Prusai3_Marlin repo
Tobbens Folgertech Kit Assembly Log
Started a Python script for future automation of this pre-flight quality control, published here
Porteus-D3D-Workshop-x86_64-v2.iso

Mar 4, 2016

Reports on speed limit of cheapest and most easily built drive system of single threaded rod + stepper motor. Research suggesting anti-resonant drivers could be cheaper than aggressively threaded lead screws posted in forum thread.
Tobbens Folgertech Kit Assembly Log

Mar 3, 2016

Tobbens Folgertech Kit Assembly Log

Mar 2, 2016

D3D Live ISO#Computer Models Verified to Boot
Some activity on Lead Screw forum thread.

Feb 28, 2016

Mapped OpenSCAD dependencies properly Dependency map
Re-compiled OpenSCAD, uploaded new 64-bit iso: Porteus-D3D-Workshop-x86_64-v1.iso. Updated D3D Live ISO#Instructions link.

Feb 26, 2016

Been through Dependency hell trying to compile CAD software to Porteus. OpenSCAD works now, FreeCAD doesn't.

Feb 25, 2016

D3D Live ISO#On Creating xzm Packages

Feb 24, 2016

Published 64-bit Porteus ISO. See D3D Live ISO#Instructions Still lacks configured Marlin source code.
Tried to compile FreeCAD. D3D Live ISO#Compilation of FreeCAD Abandoned because of difficulties with compiling Coin3.
Documented creation of 64-bit Arduino package: D3D Live ISO#Arduino

Feb 23, 2016

Compiled gcc-5.3.0 package for 64-bit version of Porteus and documented the process: D3D Live ISO#Choice of Compiler Version
Compiled OpenSCAD package for Porteus and documented the process: D3D Live ISO#CAD Software

Feb 22, 2016

Got OpenSCAD 2015.03 to work on the 32-bit Live USB.
Uploaded ~600 MiB iso file here.
Minor changes to D3D Live ISO
D3D Live ISO#Steps to boot Porteus on Macbook Air 2011

Feb 21, 2016

Made repo with D3D Porteus Live USB OS config files
Compiled GCC 5.3.0 for use in 32-bit version of Porteus: xzm package link

Feb 19, 2016

D3D Thesis#Line of Reasoning
D3D Thesis#Background
3D Printer Build Plate
Updated point 15 on Tobbens Folgertech Kit Unboxing Log

Feb 18, 2016

Got iso size down from 493 MiB (517 MB) to 299 MiB (313 MB). See D3D Live ISO#Stripping it down and updated download link in D3D Live ISO#Instructions
Completed Tobbens Folgertech Kit Unboxing Log with some images and clarifying comments

Feb 17, 2016

Tobbens Folgertech Kit Unboxing Log

Feb 16, 2016

Ordered four LJ12A3-4-Z/BX Inductive Proximity Sensor Switches.
Ordered GT2 belts, pulleys and belt tensioning springs.
Ordered signal switching 1N4148 diodes.
Research On Inductive Proximity Sensors
Updated File:Bed leveling and compensation comparison.ods with Thomas Sanladerer's recommendation and further comments on inductive sensing.
Researched some brackets for induction sensor: Folgertech Kit#Candidates For Improvement Resolution

Feb 15, 2016

New extensive Folgertech resource found: Folgertech Kit#Other Instructionals.
Gcode Modularity
More work on D3D Live ISO. Got Slic3r working nicely, and integrated with Pronterface. Got Arduino IDE working. Latest version ISO: Porteus_with_Pronterface_Slic3r_Arduino_and_D3D_Conf_v0.iso
Prototype Planning

Feb 13, 2016

Further Porteus config. Now handling Pronterface better, updated iso to v1. See D3D Live ISO#ISO images

Feb 11, 2016

D3D Live ISO
Tested out Project Libre with Andreas. File:D3D.pod

Feb 9, 2016

Experiment with 3D printing assembly manual using only OpenSCAD renders as visuals: Clerck assembly manual
D3D Live ISO
Helped by Andreas to create D3D Thesis Project Plan#Map of Deliverables to more easily manage myself and include others.

Feb 5, 2016

Adjustments to lead screw sourcing forum post from yesterday.
Ordered F6-12 thrust bearings for prototyping.

Feb 4, 2016

Sourcing research on lead screws. Posted in forum thread.
Igus links in D3D Printer Design Process#Practical viability of lead screws for 3D printing loads and speeds
Ordered following products for lead screw prototyping: [11], [12], [13], [14], [15]

Feb 2, 2016

Initiated 3D Printer Quality Control Research
Initiated 3D Printer Extruder Research
Researched 3D Printer Bed Leveling. See File:Bed leveling and compensation comparison.ods for full assessment matrix.

Feb 1, 2016

Small change to Prusa i3 Build.
New research and complete rewrite of 3D Printer Bed Leveling.
Small change to 3D Printer Hot End Research.
Initiated 3D Printer Print Surface Research.

Jan 30, 2016

D3D Workshop Roadmap, D3D Workshop Slogans, Folgertech 2020 Prusa i3 build working document, Build Facebook post

Jan 29, 2016

Meeting with Jonathan and Marcin.
  • We should investigate bulk prices for key parts (like stepper motors)
  • I (Tobben) should collect some stories from the people I've given printers to. Stories of people who got empowered and made some money with their new RepRap knowledge and machines.
  • Thesis data collection nr 1 happens tomorrow when Folgertech Prusa i3 kit is assembled on the Factor e farm.

Jan 23, 2016

3D Printer Bed Leveling
Prusa i3 selection Google document

Jan 20, 2016

Created forum thread asking for input on workshop kits.

Jan 19, 2016

CADded LM8UU standard linear bearings into D3D Printer (see repo).
Meeting on kit selection Kit considerations
Prusa i3 Development
3D Printer Kit for Workshop Research
3D Printer Hot End Research

Jan 17, 2016

D3D Thesis#Workshop Reproducibility, some reserve plans created in Critical Path for Thesis Project

Jan 13, 2016

Wrote D3D Thesis Project Plan, sent to examiner.
More insights on lead screws on the forum thread.
Verification from Vermont Rapid Prototyping that lead screws used by Trinitylabs lasts for at least 2 years. Put in D3D Printer Design Process#Practical viability of lead screws for 3D printing loads and speeds.

Jan 12, 2016

Critical Path for Thesis Project, embedded in D3D Thesis Project Plan.
Bought:
3D Printer Troubleshooting

Jan 11, 2016

Wrote and published D3D Thesis#Team Charter.
D3D Enterprise Logic Model

Jan 10, 2016

Some progress on the lead screw forum thread. Emailed more skillful developers.
Read up on possible choices for D3D Printer Electronics. Ordered smooth rods with linear bearings (sizes 8 mmm and 10 mm) for prototyping. Ordered powdered graphite for lubrication testing.

Jan 9, 2016

Verification of lead screw: working all-leadscrew 3D printer, Stepper Motor#Torque Tests, D3D Printer Design Process#Verification Steps Taken for Lead Screw .2B Stepper Motor Concept
Bought:
Contacted Moore International and Danish 3D for help with choice and supply of lead screws.
Discovered Contraptor that tries to use the concept of modular linear motion units, put into D3D Thesis#Earlier Work.
Read up on 3D Printer Bed Leveling.
Summarized state of lead screw discussion in the RepRap community in a forum thread asking for further insights. Emailed various developers with lead screw designs, asking for experiences, thoughts, insights...
3D Printer Filament Load Sensor

Jan 8, 2016

Some work on the D3D Design Methodology.
Some usage of it logged in D3D Printer Design Process.
Meeting with Marcin, initiated Critical Path doc.

Jan 7, 2016

Checked/commented on lifetimes: Stepper Motor#Lifetime, FFF Extruder, Lead Screw
Structuring of 3D printer design work: D3D Printer Design Process, D3D Design Methodology.
Structured wiki pages such that D3D Thesis is a sub-project of D3D Fusion. Changed D3D Fusion Project Plan to reflect this and initiated D3D Thesis Project Plan.
The thesis project aims to bootstrap the D3D Workshop Kit.
Explained structure in D3D Fusion#Naming and Links

Jan 6, 2016

Meeting with Andreas S, Work Breakdown Structure, D3D Team Project Charter.
Meeting with Marcin Long term Distributive Enterprise Milestones
Wrote something on D3D Fusion thesis#Funding Mechanisms for Open Source Work

Jan 5, 2016

D3D Fusion Printer Conceptual Design

Jan 4, 2016

Wrote some Project Plan stuff on Overleaf. 3h meeting with Marcin. Finished OSE NEGOTIATION INVITATION.

Jan 3, 2016

Defined moving part of D3D Printer's linear actuator. Reorganized code and wrote README (see Github repo).

Jan 2, 2016

Added D3D Fusion printer design#Weight calculation for steel sheet frame and D3D Fusion printer design#Motor placement to wiki. Two minor commits in Github repo.

Dec 31, 2015

Re-organized D3D Requirements. Some progress on Tech Tree of Choices for D3D Printer.

Dec 30, 2015

Meeting with Marcin. Started Tech Tree of Choices for D3D Printer.

Dec 28, 2015

Reworked l_plate and basic frame (see Github repo).

Dec 27, 2015

First rough visualization of D3D Fusion Printer done (see Github repo).

Dec 26, 2015

Meeting with Marcin. Finished D3D Requirements together.

Dec 25, 2015

Some progress in Github repo.

Dec 25, 2015

Made Github repo for D3D Printer OpenSCAD design.

Dec 23, 2015

Wrote something on the D3D Printer design. D3D Fusion Printer Design Needs to be fitted into a template.

Dec 22, 2015

Work on visa application process. Skype meeting with Marcin. Discussion points:
  1. Torbjorn DEF Agreement. DEF=Distributive Enterprise Fellow, under the EIR program. Including workshop schedule and number, and your tentative arrival date, and details regarding your university.
  2. Locking in design requirements - D3D Requirements - both overall and module by module
  3. Defining the 'story' for the thesis. D3D Thesis Story.
  4. Beginning discussion on the tech tree of choices that we select to move forward - meaning specific implementation path for each module
Found some data: [16]
Nice discussion on hangout, got some text produced from it: [17]
Asked for data on RepRap Freenode IRC chat. Generated discussion about Prusa i3 Steel. Didn't read it all, so putting it here for future reference: Cut_From_Freenode_RepRap_22_Dec

Dec 21, 2015

Initiated Project Plan D3D Fusion project plan. This is what Martin must approve before we can move on. Made thesis skeleton D3D Fusion thesis#Thesis Skeleton from template in course documentation. Limited progress in FreeCAD.

Dec 19, 2015

Commented proposed D3D requirements: Talk:D3D Requirements. Added Lyman extruder to Open Source Filament Extruders. See Power Tool Construction Set.

Dec 16, 2015

Presented some 3d printer design ideas in D3D Fusion printer design.

Dec 15, 2015

Summarized short research about prior work of Prusa: D3D Fusion thesis#Earlier Work

Sun Dec 13, 2015

Wrote short D3D Fusion#Business norms and science norms comparison between DE norms and science norms.

Thu Dec 10, 2015

Initiated D3D Fusion thesis sketch. Also did a little overview on Large Scale Fused Pellet Fabrication. Got an overview of the MOST lab's work. Put in in D3D Fusion thesis.

Sun Dec 6, 2015

Initiated this work log. Initiated D3D Fusion. Initiated D3D dev spreadsheed [18]. Embedding Done
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