To Trim a Curve or Quilt
1. Select the curve or quilt to trim.
2. Click > 
Trim. The Trim tab opens.
Trim. The Trim tab opens.3. Select any curve, plane, or quilt to use as the trimming object.
 | You can trim a curve with a datum point sitting on that particular curve. |
4. Click 
or the direction arrow located in the graphics window to specify the side of the trimmed surface to keep. You can keep a specific side or both sides of the trimmed surface.
or the direction arrow located in the graphics window to specify the side of the trimmed surface to keep. You can keep a specific side or both sides of the trimmed surface.5. Click 
to preview the trim geometry or click 
OK to accept and save changes.
to preview the trim geometry or click OK to accept and save changes.