Improved idler for Prusa i3 MK2(s) extruder
thingiverse
Even though I rare use the idler, I always found it is not finger-friendly. I modified the original file from the Prusa Git repository, using Tinkercad. The new version fits both the MK2 and MK2s models and is more comfortable. **Update #1 (03.11.2017)** I added a cap for the screw heads. Now the idler handling is really easy. Place the screws to the holes of the printed cap. The holes are designed to fit tight with the screws. Then place the springs and screw the idler to the extruder body.
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