M3 screw knob
Description
Theese are small knobs for the head of M3 screws, which are possible to use for belt tighteners of a 3D printer. The hole for the thread is D2.5mm, so you can fix the screw tight, the best way is to tap a m3 thread into the hole, or just turn the screw in. Printed whitout support. With brim. 0.16mm layer height. 25% infill.
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