20mm rounded plug (with cable shaft)

by relet, published

20mm rounded plug (with cable shaft) by relet Apr 9, 2011

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A 20mm (+ intolerance) plug to cover for example those square cable shafts you have on your Makerbot. My main motivation was to keep those bits of plastic from the wipe procedure and loose nuts and tools from falling down into the hardware compartment. Plus they do look nice and tidy.

Feel free to flattr this if it saves you from turning your Makerbot over and giving it a good shake. Public domain.


Print, let the plastic harden out, plug.
Print, harden, thread wires through cable shaft, plug.

The stl files come in two versions which work for me and PLA: With and without cable shaft. They have an actual size of 20.6mm. These should fit tightly in the holes, as the cables will exert force when moving up and down. If they don't fit, edit the scad file.

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20mm rounded plug (with cable shaft) by relet is licensed under the Public Domain license.

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Scaling to 99% made it fit for me.

I needed to scale mine down quite bit to have them fit.

The hole in the left, back side is about 1.5x wider.

I suggest tappering to make this self-centering. It eases insertion.

Nice touch with the rounding on the hole.