3D Printer Critical Path

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Changes after the Open Source Microfactory STEAM Camp

Technical

  • Add WiFi SD Card as a turnkey option.
  • Remove spacers and build them into the 3D printed pieces
  • Possibly expand the half-carriage to allow longer belt pegs. Make belt pegs only one type.
  • Add Z axis balancing
  • Add skew correction for y by virtue of stops
  • Tune the heatbed for 450W
  • Put a cover on the power supply for shock hazard
  • Document the stepper driver voltage decrease
  • Modify menus to make babystepping more accessible
  • Determine if 1/16" steel is acceptable for an 8" bed

Priorities

  • Develop 12 printer production engineering for $1000/day net revenue for $10k/month revenue model at half-time engagement
  • Publish new manual
  • Develop online course
  • Run 50 STEAM Camps until June 2019

March 4 2019 Week

Priorities:

  1. 8" bed version kit release, 12" frames for easy USPS ship
  2. 12" bed version kit release
  3. 36" bed version kit release
  4. And everything else in between.

2019 - Sep Refocus

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2019 - August Refocus

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2019 April Detail

  • Rationale - go to 120V heat bed to reduce power supply size.
  • Don't include TMC2130 initially as that will take time to optimize, even though it gets rid of the end stops. Use TMC2208 now.
  • Include clean wiring
  • Include 3D printed corners

Goals:

  1. Building new heated bed allows for a high performance printer
  2. With 3D Printed control panel, electronics become simpler for builds
  3. Silent operation is a good upgrade
  4. Clone titan aero is lower cost for lower cost versions

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2019 April

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2019 Jan

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3D Printer Modules

Getting very clear about modules allows for very clear division of labor in a collaborative process.

See 3D Printer Modules

Links