Sandblasting
Appearance
Etch or clean things with an abrasive material propelled by compressed air.
abrasives
I have some crushed glass at AW which works for etching glass, granite and wood. Also for cleaning metal.
Someone else had walnut shells, not sure what they would be for...
masking
vinyl
Most of the vinyl scraps would work for sandblasting with glass, but not with walnut shells. Can be cut on the Vinyl Cutter
blastlite stencil
Assentworks has Anchor Blastlite stencil Our vinyl cutter can't cut it in its current setup, but it's rubber and can be cut on the laser. Helix: 100/80/300