Use LTSCALE to change the scale factor of linetypes for all objects in a drawing.
Changing the linetype scale factor causes the drawing to be regenerated.

The following prompt is displayed.

New linetype scale factor

Specifies the scale factor to be used for all linetypes. By the linetype scale is
set to 1.00. The smaller the scale factor, the more repetitions of the pattern are
generated per drawing unit.