In this paper, on the basis of simulation model of standard mannequin, measuring the particual dimensions in a new measurement system for human body, the form changement character of each feature section is determined by comparing the ratios of some measurements. The coordinates of certain points on the contour of each feature section are calculated according to the construction character and the particual dimensions. The contour curves of feature sections are fitted by cubic splines, and other curves are determined based on the model of standard mannequin. The foundation of the individual mannequin with different shapes of are realized by VC++ and OpenGL. This approach is very usful in 3D garment design and demonstration.