Parametric C-clamp
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Published on July 8, 2010
This thing was Featured on July 9, 2010
Description
A c-clamp in any size you want. The provided STL file is for a #8 nut.
Instructions
1) Procure a hex nut and mating screw of any dimension.
2) Open the c-clamp.scad file.
3) Use the following measurements as arguments to the cclamp module.
3a) nut_od: the nut at its widest part
3b) nut_id: the diameter of the screw
3c) nut_height: the thickness of the nut
3d) spine: the length of the screw
3e) throat: the desired depth of the clamp's throat
4) Compile, render, export to STL.
5) Print.
6) Clean.
7) Put the screw through the hole in the frame and screw on the nut.
8) Align the nut with its hole in the frame.
9) Turn the screw till the nut is pulled firmly into place.
10) Epoxy or glue the screwcap onto the tip of the screw.
11) It's going to be clamp this clamp that. Bada-climp bada-clamp.
2) Open the c-clamp.scad file.
3) Use the following measurements as arguments to the cclamp module.
3a) nut_od: the nut at its widest part
3b) nut_id: the diameter of the screw
3c) nut_height: the thickness of the nut
3d) spine: the length of the screw
3e) throat: the desired depth of the clamp's throat
4) Compile, render, export to STL.
5) Print.
6) Clean.
7) Put the screw through the hole in the frame and screw on the nut.
8) Align the nut with its hole in the frame.
9) Turn the screw till the nut is pulled firmly into place.
10) Epoxy or glue the screwcap onto the tip of the screw.
11) It's going to be clamp this clamp that. Bada-climp bada-clamp.
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More from LogicG8
Looks good. Would be interesting to run some tests to see when they break down, i.e. what force can they take. What kind of level of infill are you running?
I made these with 0.2 infill. Their raison d'etre was to hold a few plastic pieces together for gluing so not a lot of strength was required. I did an informal test and hung some weights from a print of my example STL. It held 4.5kg with about 5mm of stretch. At that point my jury rigged test jig broke so I do not know the actual breaking point.