FIELD: information technology.;SUBSTANCE: method comprises the steps of: receiving a CAD model including a plurality of objects; receiving a user input including selecting at least one object and moving the selected object; applying any basic conditional behaviours that correspond to the user input; applying any additional conditional behaviours that correspond to the user input; forming a variation system to be solved based on the user input, any applicable basic conditional behaviours and any additional conditional behaviours; executing the variation solution of the variation system for the formation of the edited CAD model and saving the edited CAD model.;EFFECT: providing the possibility of editing two-dimensional and three-dimensional geometry.;20 cl, 67 dwg
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