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Select a difficulty level for this entire task (including any prerequisite instructions). The difficulty ranking reflects the experience, physical dexterity, and risk involved.

Very easy

Does not require opening device.


Requires minimal disassembly and requires only basic tools like a Phillips or flat-head screwdriver.


Requires a fair amount of disassembly. This is a task that most people would not perform without instruction.


Requires significant disassembly and may require specialized tasks like soldering.

Very difficult

This task is considered quite challenging, may require specialized tasks like micro-soldering, and may risk damage to the device. If you can do this, people may call you MacGyver on occasion.

If your guide picks up where an existing guide leaves off, add the existing guide as a prerequisite to avoid having to write additional steps. Prerequisite guides will be displayed before this guide. Make sure that the prerequisite guides are in the correct order. You can change the prerequisite order by dragging the icons to the left of the guide's name.

  • 1 × Hex key ball ended long arm 2.5mm
  • 1 × Hex key 4.0mm
  • 1 × Needle-nose pliers small
  • 1 × Utility knife
  • 1 × File
  • 1 × Plastic extruder part
  • 1 × Big motor
  • 1 × Brass spur gear with grub screw
  • 1 × Big 625 bearing
  • 1 × M5x20 screw
  • 1 × M5 standard nut
  • 3 × M3x25 screw
  • 3 × M3x20 screw
  • 1 × M3 nyloc nut
  • 4 × M3 washers
  • 2 × M3x16 screws
  • 2 × M3 standard nuts
  • 2 × M3x8 screws
  • 2 × t-slot nuts
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