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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Bulk Entry Descriptions
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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