The ‘Circuit Graver’ by [Zach Fredin] is an unconventional PCB milling machine, utilizing many 3D printed parts ... enough process to allow building a simple circuit using an SMT 74HC595 ...

3D-MID technology integrates electronic and mechanical functions into a single three-dimensional structure. Unlike traditional printed circuit boards (PCBs), which are flat, 3D-Circuits (3D-MID ...