How do jigsaw birds puzzle?

How to spell the picture of the jigsaw puzzle bird is introduced as follows:

As shown in the figure:

Spell other animal methods 1:

1, put a big triangle puzzle first.

2. Then put another big triangle puzzle together.

3. Put the isosceles triangle puzzle in the middle.

4. Overlay the small triangle puzzle.

5. Put the parallelogram puzzle on it.

6. Then overlay the small triangle puzzle.

7. Finally, put the rectangular puzzle on it.

Method 2:

1, put a planar quadrilateral puzzle first.

2. Put a triangle puzzle next to it.

3. Put a triangle puzzle on the parallelogram puzzle.

4. Next to the triangle puzzle, put another triangle puzzle to complete it.

Tangram is an ancient traditional intellectual toy in China. As the name implies, it consists of seven boards. These seven boards can be spliced into many figures (1600), such as triangles, parallelograms, irregular polygons, etc.

Introduction:

Players can also spell it into various characters, images, animals, bridges, houses, towers and so on. Or some Chinese and English letters. Tangram is an invention of working people in ancient China. Its history can be traced back to at least the first century BC, and it has been basically shaped since then. Tangram, also known as Tangram and Wisdom Board, is an intellectual toy circulated among the people in China.

Two generations are widely circulated among the people in China. Lu Yiqing wrote in Volume 1 of Leng Lu Miscellaneous Knowledge: Recently, there are seven ingenious pictures, the shape is five, the number is seven, and the changes are more than a thousand. Things are small in shape, changing at will, and full of games, which are enough to relieve boredom and break the silence, so secular people like them. /kloc-in the 0/8th century, the jigsaw puzzle spread abroad. Needham said that it is one of the oldest pastimes in the East. Up to now, the library of Cambridge University in England still has seven ingenious chess pieces.