4x4x4 3D RGB Charlie Cube assembly jigs.

by garyaj, published

4x4x4 3D RGB Charlie Cube assembly jigs. by garyaj Oct 15, 2014
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I wanted to use the jigs mentioned here: http://www.gundersen.net/charliecube/
but only GCODE files were available. And there were sufficient differences between the Felix printer they were created for and my RigidBot as to make them unusable. So I designed my own using OpenSCAD. Note, however, I am still (6 weeks) awaiting my PCBs so the final dimensions will need tweaking. But it's a lot easier to tweak a .scad file than a .gcode file. Updated 2 Nov 2014: final files.

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Hi there! The .stl of the base does not fit, the corresponding scad file however does. Did you maybe upload the non-final stl?

@Kjetilei, the main problem I had assembling the cube was that I cut the fence wires too short. The photo at gundersen.net suggests they should be 100mm but this gives practically no overhang when placed in the assembly jig and hence I burned/melted the jig a lot :) 120mm would be a better length. And next time I'll use ABS instead of PLA for the jigs to minimise melting. I've been soldering for over 50 years but I still had a few dry joints. But the cube is a great exercise as you say.

Have anyone of you used the jigs? It would be great to hear your experiences!

Building the Charliecube based on these jigs and the PCB I made (see the gundersen.net link) is a nice way to practice soldering and the end result is very pleasing :)

I've uploaded the STL files.

Do you have an STL version for the prints?