The Line Trim mode splits 2D objects, NURBS curves/surfaces, solids, and viewports along a screen plane cutting line; it keeps a specified side, and trims away the other side.
To split and trim an object along a cutting line:
Click the Split tool from the Basic palette.
Click the Line Trim mode from the Tool bar.
Click the All Objects or Currently Selected Objects mode from the Tool bar.
Draw a line through the object to split; the object to be split is highlighted.
An arrow points to the side to be kept. Click to indicate which side of the split line to keep; the other side is trimmed away.
The object is split by the line, and the indicated side remains.
Solids can also be split in Line Trim mode.
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