# Trim command (Edit menu)

Use this command to cut off portions of an object inside where another object intersects with.

This command trims curves and surfaces. To trim curves, specify points, curves and/or surfaces as cutting objects. To trim surfaces, specify curves and/or surfaces as as cutting objects.

If the type of cutter objects are curve and they are too short to reach to the boundary of the targets of type surface, turn the Extend line option on by pressing `E` key.

If the type of cutter objects are curve and they are away from the target of type curve, turn the Virtual cross option by pressing `A` key.

## Step 1

In the prompt of Select trimmers, select cutter objects.

## Step 2

In the prompt of Select trimmees, locate any point inside the parts of objects to cut off.

## Option

- To press `E` key toggle Extend line option.

- To press `A` key toggle Virtual cross option.

- To press `R` key toggle Reverse trim region option.