Door Knob protector
prusaprinters
An easy print door knob protector to avoid hit the wall opening the door. The smaller ring is 20mm diammeter and the big 30mm, it can be rescaled to fit yout knob.Printed in Geeetech TPU. Any rigid plastic will not work properly.I recommend use flexible filament and make it the ring a bit smaller that the wider part of the knob.
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