This model could capture geometric constraints effectively and distinguish user's intentions automatically in the process of drawing graph theory so as to realize parametric design of apparel pattern.

Introduced the key technology to develop the safe,steady apparel pattern communication platform.

Binary DXF file exchange format and exchange interface of apparel pattern data;

The child's four prototype paper types are obtained in different age section,and the other different size of children's clothing paper types are designed through reproducing these four prototype paper types.

Vectorzational method for cloth sample image consisting of lines and curves;