I made it at TechShop
Step 1: What Doesn't Work Well
If you look at the edges of parts cut this way there is a lot of burning on the wood and noticeable angle to the edges. They do not cut cleanly at all. I think that with the slow speed, the adhesive layers in the plywood are melting and reacting preventing you from getting a good cut.
Step 2: What Does Work Well
This time the results were as follows:
1/8" 5 ply wood cut cleanly through at 4 passes and the parts were dropping out of the sheet.
3/16" 4 ply wood cut cleanly through at 8 passes with parts falling out of the sheet.
If you look at the parts, the are much cleaner this time and the edges are much more square. Running the laser faster seemed to avoid a lot of the charing of the edges of the parts. It required less passes with the laser to completely cut out the parts.