8 Posts. #16 · Jul 18, 2009. I made my bases, (home and work), by taking an old tire, cut a plywood pizza, insert into tire, screw a 4x4 to center of plywood, fill tire w/ quickcrete, after it sets up, attach grinder to 4x4. Its stable, rubber tire absorbs the vibration, moves easy by tilting and rolling. oh, it's cheap, cuz I had all this ...