Example: Circumscribed Parallelepiped

% Circumscribed Parallelepiped
% Author: Axel Pavillet
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:Title: Circumscribed Parallelepiped
:Tags: 3D;Geometry;Mathematics
:Author: Axel Pavillet
:Slug: parallelepiped

This is a drawing of a tetrahedron inscibed in a parallelepiped.
See the following reference p. 58-63 \S 189 to 202

@BOOK{altshiller1935modern,
title = {Modern pure solid geometry},
publisher = {The Macmillan company},
year = {1935},
author = {Altshiller-Court, N.},
address = {New York},
edition = {first},
lccn = {35024297},
url = {http://books.google.ca/books?id=DDYGAQAAIAAJ}
}
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