© 2012 frank. All rights reserved.
Download this PDF and print it out to make your own chestahedron! Read more about the mathematics of the form. You can also make your own template drawing in an alternate style with the following instructions (PDF file):
© 2011 Frank Chester. All rights reserved.
The Decatria (dek-a-TRIA) is a form with thirteen faces discovered by Frank Chester. Frank tells about the form below: In 2007 I was told by a former mathematical section leader at the Goetheanum, George Glockler, that if the dual of … Continue reading