When I was faced with a similar problem, I ripped 4 pieces of good quality plywood, 2 91/4" and 2 maybe 13" or 14". I just had a flat plate so using...
Just more input . . . I use the inexpensive small Crown. I replaced the wing nut with a small brass knurled knob since I can grab it at any point of...
I screw the aluminum to the plywood and run the bearing of a flush trim on the aluminum. Nothing happens to the aluminum. You can always put a layer...