AutoCAD Tutorials (categ.)

Modify objects

1.4.3 - Rotate Objects

You can rotate one or more objects around a specified base point and direction from the originals.
To determine the angle of rotation, you can use an angle value, or drag the object using the cursor, or specify a reference angle to align to an absolute angle.

1.4.4 - Offset objects

With offset command, you can create a new object in a certain distance but parallel to the original.
You can use the offset command to offset : Lines, arcs, circles, ellipses, 2d polylines, construction lines, rays, and Splines.

1.4.5 - Trim Objects

When an object intersects with another object, you can remove its unwanted portion by using the Trim tool. To trim an object, you need to first invoke the Trim tool, and then select the cutting edge (intersecting object) and the portion to be removed.

1.6.6 - Extend Objects

This command allows you to extend an end of an object to the boundary edge(s) defined by other objects. In order to successfully complete this command, you have to select the boundary edges first, press [Enter], and then select the ends of the objects you want to extend.