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CTC i3 Clone X/Y axis belt pulley idler

CTC i3 Clone X/Y axis belt pulley idler

thingiverse

I've got a cheap eBay i3 clone that's broken its X-axis belt pulley holder. I couldn't find a replacement part that fit, so I decided to try drawing it up in Rhino. The holes for the bearings are 8mm in diameter with no play and are intended to be drilled for an exact match. The same goes for the long M3 bolt used for belt tension. These bearings for this thing are MF 85 ZZ.

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