The result is a 3D model that is like a solder paste mask combined with a raised border to match the board outline, so that the whole thing self-aligns by fitting on top of the PCB. A handy ...

An insulating pattern applied to a printed circuit board that exposes only the areas to be soldered. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

The laser also drills holes and can cut the board outline. A silk screen makes it easy to add a solder mask, and the laser will even cut the mask. [Stephen] also etched “silk screening” into ...