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Focuser Module MK III

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3D design format
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  • Chassis.stl
  • Cover.stl

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Publication date 2022-11-02 at 00:01
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Published to Thingiverse on: 2022-11-01 at 18:22
Design number 908287

3D printer file info

3D model description

MK III version of my focuser module (https://www.thingiverse.com/thing:5140868).

Backwards compatible with accessories:
- Attachment for Rokinon 135mm and Redcat 51: https://www.thingiverse.com/thing:5140885
- Sky Watcher Telescopes: https://www.thingiverse.com/thing:5140877

Material list:
- Arduino Nano with USB-C connector
- Motor driver ULN2003 (5V)
- Stepper motor 28BYJ-48
- M2.5 screws
- M4 x 12mm screws
- M4 tap

Assembly:
1. Assemble the ULN2003 to the cover with M2.5 screws
2. Open M4 threads on the chassis and attach the stepper motor with M4 screws
3. Wire the Nano, ULN2003 and stepper motor per https://ardufocus.com/
4. Close the box without tools.

3D printing settings

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