Introducing drawing - Introduction to AutoCAD 2011: 2D and 3D Design - page 40

Second example - Erase ( Fig. 2.19 )

The two lines could also have been deleted by the following method:

1. Left-click the Erase tool icon. The command line shows:
Command:_erase
Select objects: enter c (Crossing)
Specify fi rst corner: pick Specify opposite corner:
pick 2 found
Select objects: right-click
Command:
And the two lines are deleted as in the right-hand drawing Fig. 2.19.

opposite corner

Result after Erase

first corner

Fig. 2.19 Second example - Erase

Undo and Redo tools

Two other tools of value when errors have been made are the Undo and
Redo tools. To undo any last action when constructing a drawing, either
left-click the Undo tool in the Quick Access toolbar ( Fig. 2.20 ) or enter
u at the command line. No matter which method is adopted the error is
deleted from the drawing.

Fig. 2.20 The Undo tool in the Quick Access toolbar