I second what @Shootquinn said about the alternate wooden components. I wanted to make sure people in your situation would be able to make the 3D printed parts somehow. I also like what Quinn said about using solid wood for the clamps as opposed to plywood. That should certainly work better than plywood.
I presently both don’t have my printer set up, and am concerned enough about the print quality from my printer that I don’t want to sell prints at this time. When I build a better printer or improve my own, that will be subject to change 
The BOM for the stock Maslow is in several places. The biggest issue is the worm drive motors. Etonm, doesn’t like selling small quantities of them and can be tricky to acquire. @Gero did post a BOM in this thread: