Tetrahedron
Tetrahedron is one of only five Platonic solids. This is a regular polyhedron with 4 vertices, 6 edges, and 4 faces. All faces are triangular and at every vertex meet three faces and three edges.
Drag the mouse to rotate the tetrahedron. Use the right button to remove and put back individual faces.
(Acknowledgement: I have learned most of Java details from the implementation by Meiko Rachimow.)
Copyright © 1996-2009 Alexander Bogomolny
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