Make a Stencil

Get Gerber file

Open in Gerbv

Change color

Turn on laser

Open RetinaEngrave

Home laser

Print from Gerbv

2 mil Kapton settings: 50 power, 40 speed, BW threshold 5

Place Kapton in bed tape down

move head leave ~1 inch of edgespace

set focus Careful of pinching bed!

Double check:

Raster mode, 1000dpi

Hit go

Clean up with IPA