: You can buy flexible plastic shapes for making neat fillets around
: the edges of bathtubs, different diameters on each corner: I
: don't use much epoxy so I haven't tried it but it should work
: great with epoxy.

The filet is actually structural, it adds to the strength of the coaming riser. It's not just the idea of getting a radius.

There can be a heck of alot of stress on the coaming and the riser, want it as strong as possible.

Bill H.