Four legged eight forked stool practice formula.

The general small bench, four limbs legs are oblique. It is the master carpenter often said --- four limbs eight tie. Slant is 1 to 20. if calculated with the function is: tanA = 1/20

Angle A = 2 degrees 51 minutes 43 seconds.

The important thing to note for first-time hands is that this slant is not toward one face, but diagonally outward from the diagonal of the bench face. This way the mortise and tenon is chiseled correctly.

Extension:

Stools are made of simple materials and are so versatile that they have circulated in a much in much larger quantities. Stool shape is very rich, appeared in the early rectangular, continued until the Ming Dynasty, to the Qing Dynasty into a square, but also appeared fan-shaped, plum blossom-shaped, hexagonal stool.

Stool materials vary from north to south, Jiangnan stools are mostly woven rattan surface; the north is more cowhide, the advantages of both materials are breathable, soft. To the Qing Dynasty, also appeared in the marble-based stools, sitting on the cool, look beautiful.

Initially as a sitting stool, to the Ming and Qing dynasties have more uses. Placed on both sides of the bed as a footstool; placed next to the cabinet, both the role of flowers, potted flowers, bonsai.

As for the home next to the tall top wall cabinets, climb up to get things with. In the temple, as a Zen sitting, so here the stool sitting surface is generally wide and short, the shape is simple and elegant. Farmers use the stool is rough, rustic, stool legs are generally thicker, looks rustic and sturdy.

Baidu Encyclopedia - Stools