If you’re one of the lucky ones who has access to a laser cutter ... he’s sharing them all for free (both .DXF and vector files)! His main goal was to create a pattern that is in flexible ...

He uses a laser cutter to cut Mylar sheets into stencils ... If they are exported as DXF files, he explains how to scale them using AutoCAD. The re-sized file is then exported as a PDF.