Cubic Outlines - Solution

The Puzzle: How many outlines of triangles of all sizes and shapes can you trace in the figure?

Author: Peter Grabarchuk
This Puzzle © 2008 Peter Grabarchuk. All Rights Reserved.
More from Peter Grabarchuk at PeterPuzzle.com

.
.
.
.
(Scroll down if you really want
to see the Solution ...)
.
.
.
.
.
.

The Solution . . .

The solution is shown in this illustration:

Discuss this puzzle at the Math is Fun Forum