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- Start with a solid that has planar facets. This example uses a 6-sided polygon extruded (using Simple Extrude) into a solid.
- Activate Facet Edit and select one or more faces. (See Facet Edit) Use Shift to select multiple faces.
- Activate the Surface from Face(s) function, and the selected faces are now surfaces. The rest of the solid is deleted.
The selected faces do not have to be contiguous; surfaces can be created from any face(s). 
- You will be prompted as to whether you wish to retain the original object.
