Can we cut/engrave sign foam?

[Jules]

Lasering Thick Foamcore

While I was working on the Quilt Block Key Holder there were a couple of requests to show how I was testing the results of various power and speed settings on the core, and it’s interesting enough to see what goes on inside. Couple of things to be aware of when you’re lasering thick foamcore: 1. Watch it when you do. Do not leave it unattended under ANY circumstances. The foam inside the paper backings melts, and it can actually burn with real flames inside the closed paper when you are work…