Creo Direct > Designing in the Creo Direct Environment > Working in Part Mode > Working with 3D Geometry > Manipulating Quilts and Surfaces > About Manipulating Quilts and Surfaces
  
About Manipulating Quilts and Surfaces
You can manipulate nonsolid surfaces or quilts in Creo Direct using one of the following methods:
Trimming quilts—Removes material from the selected quilts to create a certain shape. In some cases trimming also splits material. You can trim quilts at an intersection with another quilt or a datum plane. Alternatively, use a datum plane that intersects the quilt to trim it. When trimming quilts, you can specify the part of the trimmed surface you want to retain.
Merging quilts—Merges two quilts by intersecting them.
Solidifying quilts—Converts quilts to solid geometry. While solidifying quilts, you can add or remove material.
Removing surfaces—Removes surfaces from a 3D model.
Copying and pasting surfaces—Creates copies of surfaces in an original or rotated position.
Extending quilts—Extends one or more boundary edges of a quilt, planar surface, or, a datum plane.