An anonymous reader writes "Check out the latest success of the OpenSCAD 3d-printed electronics library: https://github.com/CarryTheWhat/3D-PCB
To use it, you just need a 3D printer and some conductive thread. OpenSCAD generates a component holder, and conductive thread wraps it all together — no solder, no etching chemicals, no sending out for anything.
The instructable takes you through all the steps from schematic to circuit, and includes a more useful example: the fully printed LED flashlight:
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