Cable management for T-Slot extrusion

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:462817.

I was looking for a nice way to arrange my cables on the aluminum extrusion that didn't require zip ties, and decided to design this. It is designed to fit 80/20 20 series aluminum extrusions. You just put the piece in and twist, it provides a nice firm hold on the aluminum extrusion. I'd suggest ABS just to give it a little flex, but it probably isn't absolutely necessary.