There have been discussions about “non-pvc”, laser friendly, vinyl-like material for signs, heavy duty masks, etc. Buying expensive rolls of laser-friendly “vinyl like” material from laser and sign supply websites was not an option for experimentation.
I recently discovered an eco-friendly vinyl replacement that I can buy in square foot sheets. It allows me to cut stencils in my GF for sandblasting or painting and expand the usage of my GF. Here’s a sandblast project cut with my GF and sandblasted.
Graftacks comes in multiple colors.