labsw/: schematics, layout, and header.fpd update (in progress)

labsw/modules/header.fpd

@@ -21,6 +21,18 @@ frame pins {
 	frame pin .
 }
 
+frame marker {
+	set r = 0.3mm
+
+	set clear = 0.2mm
+
+	set width = 0.2mm
+
+	__0: vec @(-x/2-r-clear-width/2, -P*(R-1)/2)
+	__1: vec .(0mm, r)
+	circ __0 . width
+}
+
 frame outline {
 	set x = C*P
 
@@ -29,6 +41,7 @@ frame outline {
 	__0: vec @(x/2, y/2)
 	__1: vec @(-x/2, -y/2)
 	rect . __0 width
+	frame marker @
 }
 
 package "HDR-${C}x${R}-$P"