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Geometry idealization > Using Modeling commands to repair geometry

Creating surfaces using 3D curves

3D curves may be required to define new boundaries for surface creation.

For example, you could reduce the complexity of a single complex face by building it with many faces.

To create 3D curves, in the Modeling application, use the commands on the Curve tab and the options in the Curve group.

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Using Modeling commands to repair geometry

Repairing problems

Viewing features in the Part Navigator

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Surface creation commands

Surface addition and removal commands

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Creating surfaces using 3D curves, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/genid_3d_wireframe_tools_16_304 · retrieved 2026-07-17