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688Idler.stl
171 kb /
146 downloads /
2 years ago
688Idler.skp
29 kb /
131 downloads /
2 years ago
IdlerTemplate.skp
18 kb /
130 downloads /
2 years ago
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688 Idler for Printruder II by juniortan is licensed under the Attribution - Non-Commercial - Share Alike license.
© 2010 by juniortan
Instructions
Substitute the 688 ball bearing for the 626, use a M8x20 bolt.
I have also included a sketchup template of the idler block in case you want to try other sized ball bearings. I have also added a thin 1mm wall to the bearing end of the idler so that it prints better, and provides additional reinforcement.