Four Point Copy
Copies a selected 2D entity or group of entities to another location. Four points are used to specify the new location and any scaling or skewing that is to occur.
Point 1: location for lower left corner of copy.
Point 2: location for lower right corner of copy.
Point 3: location for upper left corner of copy.
Point 4: location for upper right corner of copy
When the fourth point is set, the new copy of the selection is inserted in the drawing.