This mill is designed with 3D printed T-track and constructed with linear bearings on smooth rods with ... [Renzo]’s previous efforts in homemade PCB fabrication, up to and including applying ...
The magnet is moved along the film by two sets of coils embedded inside a flex PCB mounted just below the film. One set of coils, on the top layer of the PCB, moves the magnet in the x direction ...