Traditional Culture Encyclopedia - Traditional festivals - How many threads does a quilt cover?

How many threads does a quilt cover?

The sum of the surrounding lengths. Quilts are all rectangular, so the length around the quilt is calculated by the formula of rectangular perimeter, so the line of a quilt is probably the sum of the lengths around the quilt cover. It is best not to pack cotton wool. Wrapping is sewing a layer of cloth on the edge of the quilt, and washing the cloth when it is dirty. In order to protect the quilt from being dirty, many families like to add a layer of protection to the quilt.