# Extend Entities


Pick up two lines and calculate the extension line from the first line to the second line.

# Drawing Steps

1.Click to launch the Extension command.

2.Click on a line that needs to be extended in the viewport and pre-pick the object to be extended to. The preview effect is as follows. Light blue is the extended preview line.

3.Click to select the object you want to extend to to generate the extension line. The "point on the line" constraint will also be added.

4.End the command by the ESC key, or by right-clicking 'Exit Extension' in the menu, or by "Cancel" in the command bar