Functional Artist
Well-known member
Hey Denny,But if you use wood cleats say 1”X1” at the joints there’s plenty of area to screw to. Back off on your sanding pressure if the board is flexing. Let the sandpaper do the work.
I drew a pic, for you

See how I was able to use the (2) "stacked" pieces of 1/2" MDF to form a nice round-over-curve

I'm using this compounded-curved, round-over concept, all along the perimeter of the sides















