fourrings wrote:


Bending plywood looks interesting and a possibility. Though, I was
hoping to accomplish my goal with commonly available material. Plus,
isn't the surface fairly rough?

Not if you buy it with a smooth surface. You can even get a smooth MDF
or laminate surface, if that's what you want.


I would need something for the frame
though as the top span will deflect too much under weight.

That couldn't be more wrong. Too bad you didn't actually read up on
torsion boxes. 8^(

Do you realize that 747's and major bridges are built with torsion boxes?