Surface body is a general term that describes connected zero-thickness geometries such as single surfaces, knit surfaces, trimmed and filleted surfaces, and so on. You can have multiple surface bodies in a single part.
You can select a surface body from the graphics area using Filter Surface Bodies
on the Selection Filter toolbar. You can select all types of surfaces with Filter Surface Bodies.
The pointer changes to
![](amq1474639736583.image)
when it is over a surface body. Surface bodies can include:
- Single face surfaces
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Multiple face surfaces
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Knit surfaces
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Filleted surfaces
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Trimmed and extended surfaces
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Imported surfaces
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Planar surfaces and mid surfaces
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Surfaces made by extrude, revolve, loft, sweep, offset, radiate, or fill
To select a single face in a complex surface body, use
Filter Faces ![](ejn1467917503360.image)
on the Selection Filter toolbar.