I 3D-printed a stencil for exposing UV-curable PCB etching mask, cured the mask on the heated bed, stirred the etchant using 3D printer, drilled the holes in PCB using 3D-printed drill guide
This Four-Axis Stencil Printer Is The Ultimate In SMD Alignment Tools | Hackaday
Free STL file Stencil Printer・3D printable model to download・Cults