I,'m wondering if anyone has figured out a way to attach a larger bottom/platen on a 1/3 sheet finish sander? I have aome rotator cup issues in my shoulder , but also have some boxes(octagonal) that I want to level the bottoms. Normally I put down some PSA sandpaper on a puece of MDF and use manual movement to sand the bottoms flat. I was thinking I might try to attach a piece of 12" x 12" BB ply(1/2") and apply sandpaper and clamp it upside down in my bench vice and just guide/control the box on top to flatten.
What are your thoughts? Other suggestions??
Thanks,
Jim