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Syncthing ID: IRALYQS-GZKNGUO-LNQNXWL-ESKLSLZ-GIENKHQ-AVCYDQ5-QNTETCG-42SNFQ7
Volunteer Timesheet
Mon May 15, 2017
preparation and meeting.
Sat May 13, 2017
Continued work on VBOM. Nearly finished with the extruder parts, specs and links. https://docs.google.com/presentation/d/1kcEn6w5-6LOj8CaTewjwlmbjYgZwqZvZFs41FcPaXug/edit?ts=590d4fa9#slide=id.g21ab097799_0_62
Fri May 12, 2017
I think I resolved the technical difficulties with my aging dGPU by removing it and using the newer iGPU.
Continued organizing the VBOM. Figured out typos and other confusion from the PDF by studying the steps more thoroughly. Some of the product ID #'s like form McM-C are no longer valid, so finding and using actual specs for general searches on sites like eBay and amazon rather than direct links will be the more useful method long term. Probably important to consider how supplies need to be ordered in bulk for workshops and from more local suppliers in bulk when possible. Links and supply prices change quickly so further research likely has to be done prior to orders anyway. Lots of DIY hand/shop work in the build process that probably needs to be done pre-production to simplify workshop assembly and might be automated or designed out in future prototypes.
Thurs May 11, 2017
Just noticed I seem to have lost some log data from Tuesday. Perhaps caused by hardware/software glitches I've had since changing to my desktop. Probably GPU lockups requiring occasional hard resets.
I have been continuing work on the VBOM and I am close to getting all the hardware parts listed in it, but need more organization and research on several components to verify specs such as power and materials in order to shop for ideal parts.
Mon May 8, 2017
Meeting.
Sun May 7, 2017
Continued Extruder VBOM. Looks like I am over half way through the list excluding plastic parts. Should go faster now that I'm more familiar with the parts and project, but some parts need more thorough review to get the basic specs down so more shopping can be done for new sources. I also need to organize the visuals in a more useful manner.
Sat May 6, 2017
Progress on Extruder Visual BOM
4 hrs
Fri May 5, 2017
While working on redrawing the Lyman extruder parts in FreeCAD a few things have occurred to me. One, it would be great if there was a plugin for FreeCAD that could attempt to draw new shapes based on the approximation of an STL. I imagine this might be possible to do in python. Two, any optimizations to shapes should be made now while redrawing. Looking at the extruder filament winder disc shape I was wondering if there might be a stronger part pattern that uses less material and maybe prints faster. Would a honeycomb hole pattern be better or would that slow printing with complex motions. If the idea is to mass print parts with low res (large nozzles) and fiber reinforced plastic there may be an ideal minimal pattern for maximizing print speed and part strength.
http://network.opensourceecology.org/newsfeed/707295417586425865
Watched/listened to Jose and Marcin's YT video on Lean Scaling. I probably didn't catch everything, but it was interesting.
Got side tracked with a Linux and hardware issue, but I think I got it all fixed now. I see ubuntu is installing a freecad update too. Hopefully, I'll have better performance all around.
I need to consider the cheap 3D printer options and comment on the network.
Examining docs from Marcin and reprioritizing on the extruder.
Thurs May 4, 2017
Working with filament winder STL files in freecad. Conversion of STL's to normal geometry is imperfect at best. Simple files look ok, but are not ideal to work with in every way. I think redrawing the pasrts while time consuming will be better long term.
Tested upload of video recording using oggvorbis audio with 8fps libx264 video. I thought YT had dropped the audio, but it did not, which is fantastic for uploading small video files.
http://network.opensourceecology.org/groups/profile/706569168643694602/activity
2 hrs
Wed May 3, 2017
Speed reviewed meeting on YT.
Attempted to create Extruder work group on network, but I am not sure it is working right.
Continuing to review Lyman docs and researching easiest methods to convert the existing printer files to FreeCAD.
I just noticed the Lyman extruder spooler is licensed under http://creativecommons.org/licenses/by-nc-sa/3.0/ and not exactly per OSE guidelines Open Source Ecology:Copyright.
This means the existing Lyman parts can not be replicated commercially, which I think conflicts with OSE's Distributive Enterprise goals. I think OSE files derived from the original work can be made per OSE Guidelines, but not being a lawyer I'm not sure I understand derivative works and separate licensing.
2hrs
Tues May 2, 2017
Examining Lyman files in more detail.
Mon May 1, 2017
Meeting.
Found and downloaded the Lyman files. Watched the YT video of v6 https://www.youtube.com/watch?v=H6h1yDzoPMU. I had been assuming we were going to have to redesign something similar to the bioplastic extruder, but it looks like the Lyman extruder is complete and open source.
2hrs