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Surface features with edge blends in NX

The tire and rim use a lot of Revolutions and Extrusions. The basic rim profile is a Revolution from -36° to +36° (for a total of 72° or a 5th of 360°). Pattern Geometry was used to complete the rim.  The surface features of the tire were Projected curves on the surface that were Tubed with a Boolean Subtraction. Edge Blends and Chamfer gave the model a finished look.

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