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Geometry idealization > Removing features from a model

Region Faces Example

In this Defeature Geometry example, the Face Rule is set to Region Faces. You select the small face on the inside of the boss as the seed face and then select the large circular face as the outside boundary face of the boss. Then you click the middle mouse button to accept the selections. The command can then be completed to remove the boss.

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Defeature geometry

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Removing features from a model

Single Face Example

Tangent Faces Example

Tangent Region Faces Example

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Region Faces Example, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id625576 · retrieved 2026-07-17