Shadow Box Angles

Mar 13, 2007 0 Replies

Dear All:



I have been making shadow box frames here and there for roughly 20 years. I developed some equations for making shadow frames for any number of sides and any number of angles and they are as follows:



Miter Angle = 180/n * cos(shadow angle) Bevel Angle = 180/n * sin(shadow angle)



Now, these equations work over a reasonable range, but are NOT entirely accurate for all angles and # of sides. For instance, they work at shallow angles on almost any number of sides, but fall completely apart on a 3 sided figure - I think that the actual equations are a tensor, but am not entirely sure.



I have done some research and I haven't been able to find a really good shadow box table or a general equation such as the above that actually works. It's extremely frustrating because I finally bought a decent table saw and I can't make a shadow box to save my life!!!!!!



If anyone out there knows of a good table for shadow box data, or has some equations that can get me started. Please help!!!



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