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Import 3D Graphics

Import the CAD-related "DXF" file format. As with other 3D graphics in notebooks, these imported files can be rotated with a mouse or other input device.

    
Wolfram Language code: object = Import["ExampleData/helicopter.dxf.gz"]
Change the underlying data to transform the object to another shape:
Wolfram Language code: Show[object /. Polygon[{a_, b_, c_}] -> Polygon[{a, b / 2, 2 c}], ImageSize -> 400, ViewAngle -> .2]