Toward 3D printed Circuit Boards

[Mjolinor]

I was also thinking that for the most part, assuming modern high impedance electronics it should be possible to use graphite powder and PVA to paint it then sand off back to the plastic. I have no idea how high the resistance of the tracks would be but I reckon for the most part with CMOS stuff it should be fine with the exception of power rails which you would perhaps have to lay with copper.

I have a strange mind.

[LesterCHall]

Mjolinor, the stranger the better - to a point. I like your approach. Here is my progress so far:
robotProto1wiring1.jpg
I got that far, to my first wire "Tee" when I realized that the wire Tees need special attention. It may just be a pad plus a wiring method and definitely some solder at each Tee. I will put on my giant zappy electrified thinking cap tonight and play around with some possible solutions here. I can't believe that a little cramped wiring is a deal breaker here. Maybe the wire is too thick, maybe i should get out the magnet wire... we shall see.

Les