On Thu, 26 Jun 2008 16:54:35 GMT, John Doe
wrote:

Pete Keillor wrote:

Wouldn't it warp?

Probably depends, some Delrin compositions are advertised not to absorb
moisture.

I was thinking more of the extrusion stresses being relieved if
milling angle from the square. If you could find extruded profile
angle, that should be fine.

Pete Keillor