I’m going to Windsor Plywood Wednesday morning, to pick up 2.5’x2.5’ sheets of 3mm and 6mm Baltic Birch Ply (classic 5x5 sheets cut in 4 to fit nicely on the laser bed).
6mm sheets are $9
3mm sheets are $6
If you’re interested in some, let me know by Tuesday. I can always take last minute requests but they don’t have much stock.