== Importing the Vehicle Model ==
For this project, we use an IGES CAD model of a Volkswagen Golf automobile. The CAD model consists of 2019 different surface objects. They are originally grouped into a number of different object setsas shown in the figure below. The overall dimensions of the car are about 420cm × 200cm × 142cm.
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[[Image:ART GOLF Fig1.png|thumb|left|720px| The imported CAD model of the vehicle before material assigmentsassignments.]]
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