The system uses 12mm snaps, and although [Chuck] doesn’t do it, you could probably 3D print your own baseboard, too, and not use any original Snap Circuit equipment if you wanted to do so.

In fact, if you hear a "snap" when assembling most 3D prints, you probably broke something. Since 3D printed model kit cards have no standardized design, creators often set up their kits differently.

Unless you’ve got a 3D printer, that is. In which case, we’d suggest you print out this very clever “Spring Factory” designed by [Vincent Baillet]. The simple tool, consisting of just two ...