Just wondering how do you cut out non proofgrade material. I am struggling to get things to cut on wood that is 1/4" baltic birch plywood.
Welcome to the forum.
There are lots of variables involved when using non Proofgrade materials, and the best thing you can do is run some tests. Also, there are lots of posts here in the forum to help you out. Here is a place to start: Search results for '1/4" baltic birch' - Glowforge Owners Forum