%!PS-Adobe
/mm {
   72 mul 25.4 div
} def
/sin15 0.258819 def /cos15 0.965926 def /tan15 0.267949 def
/sin30 0.5 def /cos30 0.866025 def /tan30 0.57735 def
/sin60 0.866025 def /cos60 0.5 def /tan60 1.73205 def
/sin75 0.965926 def /cos75 0.258819 def /tan75 3.73205 def
/a 39.3953 mm def /aby2 a 0.5 mul def
/clearance 2.5 mm def
/holexspacing 3.9 mm def
/holeyspacing holexspacing tan15 mul def
/centre2vertex aby2 cos30 div def
/centre2bend aby2 aby2 tan15 mul add def
/awl {
   newpath 1.5 0 360 arc fill
} def
/oneside {
   newpath
   aby2 -1 mul aby2 -1 mul clearance sub moveto
   0 centre2bend -1 mul clearance sub lineto
   0 centre2bend -1 mul clearance sub moveto
   aby2 aby2 -1 mul clearance sub lineto
   stroke
   holexspacing -4.5 mul holeyspacing 4.5 mul centre2bend sub awl
   holexspacing -3.5 mul holeyspacing 3.5 mul centre2bend sub awl
   holexspacing -2.5 mul holeyspacing 2.5 mul centre2bend sub awl
   holexspacing -1.5 mul holeyspacing 1.5 mul centre2bend sub awl
   holexspacing -0.5 mul holeyspacing 0.5 mul centre2bend sub awl
   holexspacing  0.5 mul holeyspacing 0.5 mul centre2bend sub awl
   holexspacing  1.5 mul holeyspacing 1.5 mul centre2bend sub awl
   holexspacing  2.5 mul holeyspacing 2.5 mul centre2bend sub awl
   holexspacing  3.5 mul holeyspacing 3.5 mul centre2bend sub awl
   holexspacing  4.5 mul holeyspacing 4.5 mul centre2bend sub awl
} def
/square {
   gsave oneside 90 rotate oneside 90 rotate oneside 90 rotate oneside grestore
} def
/column4 {
   gsave
   0 -28.75 mm translate square 0 -57.5 mm translate square
   0 -57.5 mm translate square
   0 -57.5 mm translate square
   grestore
} def
/column5 {
   gsave
   square 0 -57.5 mm translate square
   0 -57.5 mm translate square
   0 -57.5 mm translate square
   0 -57.5 mm translate square
   grestore
} def

31.5 mm 280 mm translate
% should print instructions ...
0 -20 mm translate column5
49 mm  0 translate column4
49 mm  0 translate column5
49 mm  0 translate column4
showpage