SCALE command
Resizes 2D and 3D entities.
                Icon: 
Alias: SC
Method
You can specify the scale factor by selecting a base point and a length or by typing an explicit scale factor in the Command line.
Note: A scale factor smaller than 1 shrinks the entities. A
                    negative scale factor scales the entities in the negative direction.
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Options within the command
- Reference
 - Resizes entities using a base or reference scale.
 
- Copy
 - Scales a copy of the selection set, leaving the original entities intact.