Part Modeling > Edit Features > Trim > To Trim a Curve or Quilt
  
To Trim a Curve or Quilt
1. Select the curve or quilt to trim.
2. Click Model > 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.
5. Click to preview the trim geometry or click to accept and save changes.