An interactive graphic human body model was developed as a hierarchical structure. The model consist of torso, arms, legs and other body parts. Various postures of the model can be controlled through a natural language interface which is parsed by definite clause grammar and the database of the human body model made by Common Lisp Object System (CLOS). Especially, the torso component, which are the most important in the garment design, can be controlled and expressed more precisely.
A 3-dimensional free space between a garment (blouse of the 9AR type) and a body was measured and expressed visually by computer graphics. Two kinds of blouse of the 9AR type were made and put on the dressmaker's model equivalent to the graphic body model. The results showed that the 3-dimensional free space expressed by the computer graphics is useful in clothing engineering.
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