Metric Mini G Clamp

by chewdonkey, published

Metric Mini G Clamp by chewdonkey Sep 21, 2012
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This is my first thing and more of an experiment with Solidworks, my RepRapPro Huxley, and Thingverse but I hope it will be useful to someone as well. I have used it for holding gluing models.

This is a printable G clamp which consists of any metric machine screw and nut and a printed "G".
I have set it up using well labeled equations in Solidworks so you can easily resize it for any metric size. It comes set up for M4.


  1. Open the Solidworks file and go to Tools> Equations
  2. Edit the relevant numbers to apply to the nut and bolt size you are using. Close equations and watch the part auto update
  3. Save STL and print

If you want to use an m4 nut and bolt in your mini G clamp you can just print the provided STL

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Perfect for the model boat building that I do. M4 nut and bolt fitted well.

I found the provided file was too small for an M4 nut, but that could be my printer settings.

Can you post a scad file, or perhaps an m3 stl as well? I don't have access to solidworks. Thanks so much

Well, I've gone and made it into a scad. http://www.thingiverse.com/thing:1025452

Parametric nut G-clamp using metric screws