At the end of last year I went on a bit of a home etching binge for my entry into the Freeform Sculpture Contest, #Venusian Star Palm. Turns out, Pyralux is quite a bit easier to home etch than FR4, not sure why though.
When everything was done, and I slapped together a write up no one read, I was still setup for etching and had the house to myself for a couple more days. So thought I'd give this cube a go.
Here you can see the magnet wire carrying DATA IN, inserted into a brass rod carrying VCC insulated with kapton interted into another rod carrying GND.
With that same inner tubing, getting two wires didn't seem like it would work, so I'll either go with 3 or all for in the larger if it comes to it.
The rest of the plan is to build a nice wood handle for it, chuck what ever micro and hopefully an accelorometer in there and call it a project!