Index: ref/mech.eps
===================================================================
--- ref/mech.eps	(revision 27767)
+++ ref/mech.eps	(revision 27768)
@@ -62,6 +62,14 @@
 1 1 1 setrgbcolor
 0.14000 0.11000 0.00500 c
 0.22000 0.11000 0.00500 c
+0.01000 setlinewidth
+0.13500 0.05000 0.14500 0.05000 t
+0.21500 0.05000 0.22500 0.05000 t
+0.15000 0.32500 moveto
+0.14000 0.33500 lineto
+0.16000 0.33500 lineto
+fill
+0.23000 0.33000 0.00500 c
 % Layer group5 group 5 drill 0 mask 0
 0.00000 setlinewidth
 2 setlinecap
@@ -105,6 +113,14 @@
 1 1 1 setrgbcolor
 0.14000 0.11000 0.00500 c
 0.22000 0.11000 0.00500 c
+0.01000 setlinewidth
+0.13500 0.05000 0.14500 0.05000 t
+0.21500 0.05000 0.22500 0.05000 t
+0.15000 0.32500 moveto
+0.14000 0.33500 lineto
+0.16000 0.33500 lineto
+fill
+0.23000 0.33000 0.00500 c
 % Layer top group 3 drill 0 mask 0
 0.00000 setlinewidth
 2 setlinecap
@@ -148,8 +164,17 @@
 1 1 1 setrgbcolor
 0.14000 0.11000 0.00500 c
 0.22000 0.11000 0.00500 c
+0.01000 setlinewidth
+0.13500 0.05000 0.14500 0.05000 t
+0.21500 0.05000 0.22500 0.05000 t
+0.15000 0.32500 moveto
+0.14000 0.33500 lineto
+0.16000 0.33500 lineto
+fill
+0.23000 0.33000 0.00500 c
 % Layer topsilk group 1 drill 0 mask 0
 % Layer plated-drill group -1 drill 1 mask 0
+0.00000 setlinewidth
 0.22000 0.11000 0.00500 c
 % Layer unplated-drill group -1 drill 1 mask 0
 0.14000 0.11000 0.00500 c