Make cut test a little faster and waste less material

examples/Schnittdaten-Skripte/Schnitttest.ls

@@ -130,10 +130,10 @@ function segment7write (x,y,w,string)
  */
 
 // each sample we test will be a square of this width in mm
-var squareSize = 8;
+var squareSize = 6;
 
 // spacing between the squares, both horizontally and vertically
-var squareSpacing = 2;
+var squareSpacing = 1.25;
 
 // if this is set, an outline close to the remaining content will be cut
 var cutOutline = true;