Creo Interactive Surface Design (Style) > Surfaces > Trimmed Surfaces > To Trim a Surface
  
To Trim a Surface
1. Click Style > Surface Trim. The Surface Trim tab opens.
2. Click the collector or right-click and choose Quilt Collector, and select one or more quilts to trim.
3. Click the collector or right-click and choose Curve Collector, and select the curves that you want to use to trim the quilt.
 
* The curves must lie on the selected quilts.
4. Click the collector or right-click and choose Delete Collector, and select the trimmed pieces to delete.
 
* Do not select all the trimmed pieces for deletion.
5. Click .