To create a planar surface
You can create planar surfaces from these items:
A non-intersecting closed sketch
A set of closed edges
Multiple co-planar parting lines
To create a planar surface bounded by a set of closed edges in a part:
Click Planar Surface on the Surfaces toolbar, or click Insert, Surface, Planar.
In the PropertyManager, select a set of closed edges in a part for Bounding Entities . All edges in the set must be on the same plane.
Click OK .
