John Cochran wrote:

The angles you're looking for are not hard to calculate. Use a little
simple trig and you're done.

snip

That, along with a little Pytharogus, is what my post to a.b.p.w.
was about - with three "pages" of illustrations and solutions
with numeric examples.

The idea of scaling things up to reduce marking and measuring
erros is a good one though. The larger scale parts would make
setting up the miter saw more accurate. Thanks.

charlie b