You might also be interested in some of the work that bunnie has done with paper, copper tape, binder clips, and various components in this blog post[1] and also with Chibitronics[2]. That having been said, I'm glad they mention why they didn't use copper tape here before I tried to stick any down on a Lego plate!

[1]https://www.bunniestudios.com/blog/?p=5259

[2]https://chibitronics.com/