Mechanical:

  • Nema 17 mount for Dual Speed Crayford
  • Modified pully to use low speed knob

Electronics:

  • Arduino Nano
  • DRV8825 Stepper driver
  • Custom CNC milled PCB

Software:

Currently using Ardufocus firmware.

Attribution:

GSO Newtonian Crayford NEMA 17 Adapter¬†by Lacquerhead –Thingiverse Link

Parametric 2GT pulleys by Droftarts – Thingiverse Link