Simulation of historical costume requires digitalization of pattern block. This research developed the method of reconstruction of historical men’s coat by parameterized pattern blocks and CAD. The method includes three steps. Firstly, to collect the information about historical body measurements, drafting systems of patterns, clothing construction, methods of production and shaping, etc. Second step is the digitalization of patterns. Thirdly, to extract the body measurements and the ease allowance from pattern blocks. Fourthly, the calculation of shaping techniques values. Finally step includes the virtual reconstruction of costume. The database containing the historical pattern blocks, the manuals of drafting methods, the parameters of pattern, the body measurements, the eases of 47 historical men’s coat, and the values of shaping methods was established. Data base allows to calculate hided body measurements from patterns and to reconstruct of historical men’s coat with high accuracy in virtual reality.

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