First try in a cheap PLA, used hacksaw blades for the arms. Need to get some different washers and screws to put them together, used some junk box screws that don't work well, but they work. Didn't use the holes to route wires except the ground/center- too difficult to fish three tiny wires through the same small hole. Already designed fingerpieces, will post and share when I'm happy with them. Also want to design a mounting base that can adapt to different uses, e.g. with magnets or a heavy base for home use. Good design.