Heated Bed Thumbscrew
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Published on March 9, 2013
Derived from
Parametric hex head screw or nut knob
by jridley
Description
Created using the OpenSCAD script by jridley, this object has been optimized to serve as a thumbscrew to hold an M3 nut on the underside of a heated bed. It is also a thin as practical, so that the heated bed needs a minimum of clearance (giving you the largest possible Z height).
I use 4 of these per MendelMax 1.5 printer.
I use 4 of these per MendelMax 1.5 printer.
Instructions
1. Simply download, print, and enjoy.
If your specific thumbscrew requirements are different from those used in this object, I recommend downloading jridley's OpenSCAD script and playing around with the values to get exactly what you need.
If your specific thumbscrew requirements are different from those used in this object, I recommend downloading jridley's OpenSCAD script and playing around with the values to get exactly what you need.
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License
Heated Bed Thumbscrew by 3dSuppli is licensed under the Attribution - Share Alike - Creative Commons license.
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I spent quite a bit of time with jridley's script, printing out lots of different thumbscrews until I came up with these. I like this version that I came up with - specifically because I don't end up needing the extra bridging layer that you get with jridley's script (the bridging comes out just fine); plus these thumbscrews are thin enough to work with a single M3 nut on a MendelMax 1.5 with the Y carriage barely clearing the frame; and the pronounced ridges make it possible to tighten these thumbscrews with just a single finger (or thumb). Other knurled knobs or thumbscrews with less pronounced ridges didn't work as well for me, but obviously YMMV.