This is an ancient Chinese game of 'Seven Tans' called Tangrams.
A Tangram is made of seven parts of a square that has been divided into 2 large triangle blocks, 1 medium triangle, 2 small triangles, 1 square, and 1 parallelogram block. The purpose of this game is make a pattern with different combination of the seven blocks of the square.
You may rotate and flip each block and put them alongside each other. A block however may not overlap another. All seven blocks must be used, and no block(s) should be left isolated. You are provided with the Tangram to make on the right hand side windows. The left hand side window has the seven blocks which you move with the left mouse button or rotate with the right mouse button to construct the required Tangram.
Making Tangrams demands considerable imagination, visual thinking and patience. Have fun !
Left-click and drag mouse to move block. Right click on a block to rotate. You can also use arrow keys to move more precisely. Shift-tab will rotate the block.
All Tangrams are stored in a file Tangram.tan. However you can copy and make your own Tangrams into another file. This menu option let you switch to another Tangram file of your choice.
make a copy of the current file by using this menu option.
Click the “Copy” button to move current Tangram to the solution window. Now create the new shape by moving and rotating blocks. Click “Add Tangram” button to append the new Tangram to the existing Tangram file. Make sure that the new Tangram follows all the rules of a valid Tangram:
1. No overlapping blocks
2. No isolated block(s)
3. The Tangram should look interesting
Please make a backup of the Tangram shape file before appending.
This command will delete the currently displayed from the Tangram file. Please make a backup of the file before deleting.
There are three standards of play. In the NORMAL standard you will not be given any assistance, which is same as a normal Tangram game. In the EASY standard any blocks in correct orientation, matching the desired Tangram will be shown in a different color. In the VERY EASY mode the blocks will be shown in different colors for a quick match.
Click View All Tangrams button. A smaller picture of all Tangrams in the file will be displayed. Click any Tangram from this view to solve.
Use this menu option to print shapes or solutions on a printer.