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The Contour Tangram*

Put-Together Puzzles

by Serhiy Grabarchuk

The Contour Tangram
The Contour Tangram: A square assembled of seven transparent contour pieces.
Featured at Puzzles.COM
This puzzle is featured at Puzzles.COM.
This puzzle is a modern version of the old, good Tangram. It consists of seven transparent pieces with thin outlines; they are shown in the middle of the above grid placed separately, and at left assembled into a square.

Pieces can be rotated, flipped over, and overlapped (partially or in full) so that they can make several layers. The object is to assemble different shapes** shown in the vertical line next to the grid, at left, using all the seven contour pieces every time.

Move pieces dragging them with your mouse, rotate pieces clicking them. Every time when you move your mouse over a piece it is highlighted. Note, that a parallelogram is the only piece which you may need to flip over while assembling the shapes of the Contour Tangram. To flip it over just press the Space bar at your keyboard.

A small sample in the illustration below presents a small square formed of five pieces of the Contour Tangram, and shows how to assemble a patterned 1x2 rectangle; every single contour piece is shown in its respective place within the rectangle.
 

The Mini Contour Tangram.
 
 

How to assemble a 1x2 contour rectangle.
 
 
***
Try to create new shapes on your own. Send us your finds, and the most interesting of them will be posted here.
*) Puzzle concept: Copyright 2006 Serhiy Grabarchuk. All Rights Reserved.
**) Shapes ## 2, 7, 8, 17, and 18 were created by Serhiy Grabarchuk, Jr.
 
Last Updated: October 14, 2008
Posted: July 21, 2006
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