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US09495482B2 Computer method and apparatus for creating sketch geometry 有权
用于创建草图几何的计算机方法和设备

Computer method and apparatus for creating sketch geometry
Abstract:
A sketch tool for CAD systems extends geometric templates. A markup type language file (e.g., XML file) is used to define an additional basic geometric shape. The file schema also enables definition of constraints and drag points of the subject shape.
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