Solder Free 3D Printed Circuit Board

3D printing is moderately useful. It will become much more useful when it can produce more than structural parts.

Automatically placing and connecting electrical components is still a ways off, although lots of people are working on it. Until then, CarryTheWhat has demonstrated an impressive DIY method of producing circuit boards on a 3D printer.

The key to how this approach works is a series of pegs connected by conductive thread. By strategically wrapping the conductive thread onto a peg board generated in OpenSCAD, the components of the circuit can all work together.

It’s a bit bulky and crude, but it works. For example, here is a flashlight…

If you’d like to see a step-by-step description of the process, CarryTheWhat wrote it up on Instructables and on Thingiverse.

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