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From: "Mike Lorrey"

> Uh, no, a jewish star (star of David) is six pointed,
> not eight.

The solid, should have a top triangular face, and a bottom
triangular face, but the bottom one is 180° rotated.
Now if you project the bottom triangular face onto
the top face, you get the star. According to David Finkelstein
Durer knew all that perfectly (Durer was a famous
mathematician).

http://www.physics.gatech.edu/people/faculty/dfinkelstein.html

http://www.physics.gatech.edu/people/faculty/
finkelstein/DurerRelativity4.pdf