Make a postscript.
Only works if we made one drawing on the page.
If we make several drawing, use @ps.
SMALL
type:vector
Vector composed of 3 or 4 elements, applied to make a drawing on a
small portion of a page or screen.
It delimit the zone where the drawing will be done.
If there is 4 elements then is constituted of coordinates (expressed in cm
located from the up and left corner of the page or the window (in portrait
like in landscape)) of the bottom and left corner and of the up and right
corner of the drawing zone.
If there is 3 elements we divide the page or the screen in small[0] columns
and in small[1] lines and the drawing is made in the box numbered small[2].
The numerotation starting up and left by the number 1 and then, following
the writing direction.
By default, we make the largest drawing we can do, conserving the aspect
ration (except when REMPLI is activated).