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MK8 direct drive extruder 7mm pulley adapter

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Creation's quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 2.7k views
  • 4 likes
  • 160 downloads

3D model description

Adapter to use a 7mm diameter pulley on an MK8 aluminium direct drive extruder. Tested with 1.75mm filament.
Reducing the filament pulley diameter form 11mm to 7mm allows to use motors with less torque.
There are two versions: open and closed (more restricted filament path).

Extra parts needed:

7mm diameter filament pulley
1x 624ZZ bearing
1x M4x8mm flat head screw
2x M4 nut
See it in action here: https://youtu.be/Yt0ruqpbm2U

If you are a curious maker / "tinker" / hacker, have a look at my blog:
http://www.therandomlab.com

  • 3D file format: STL

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