haha, my pleasure. I wish we could just cut all the things! Vinyl and PVC and emit harmful HCL when lasered, very bad for both you and your machine. Some other types of plastic we shouldn’t mess with because of melting etc. A good starting point for that is here and then this thread
I think this is the most recent thread about masking tape stuff, and this one has some good info too, including where some people like to buy thiers.