diff --git a/atusd/cam/doit b/atusd/cam/doit
deleted file mode 100755
index 395f6ea..0000000
--- a/atusd/cam/doit
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/sh -e
-DIR=/home/moko/svn.openmoko.org/developers/werner/cncmap
-RECT=$DIR/rect/rect
-ALIGN=$DIR/align/align
-ZMAP=$DIR/zmap/zmap
-GP2RML=$DIR/gp2rml/gp2rml
-
-GEN=${1:-./pcb.pl}
-
-rdata="17.8 8.9 -55.7  72.0 9.6 -55.3  17.8 68.5 -55.5"
-rdata="12.4 9.8 -55.6  125.5 9.4 -55.4  12.9 83.6 -55.7"
-# we need quite a large Z adjustment due to the table's vertical flexibility
-Z=-55.80
-
-rect=`$RECT $rdata | awk '{$3 = ""; print}'`
-
-$GEN |
-  awk '{ if ($3 != "") $3 += '$Z'; print $0; }' |
-  $ALIGN 0 1 $rect |
-	# angle, reference (lower left corner), rect
-  $GP2RML 2 0.2 0.2
-	# clearance, xy speed, z speed
diff --git a/atusd/cam/mkmk b/atusd/cam/mkmk
new file mode 100755
index 0000000..924d27e
--- /dev/null
+++ b/atusd/cam/mkmk
@@ -0,0 +1,66 @@
+#!/bin/sh -e
+PATH=$PATH:/home/qi/cae-tools/cameo
+PATH=$PATH:/home/moko/svn.openmoko.org/developers/werner/cncmap/gp2rml
+
+cameo <<EOF
+mm
+
+gerber 35mil ../atusd-PCB_Edges.gbr
+align 1 4.6mm 9.0mm	# align relative to board corner
+translate 3mm 3mm	# move to PCB zone assigned to project
+array +2.5mm +2.5mm 0 0
+z 0 -58.9mm		# board surface (tool fully retracted)
+z 1.5mm			# slack for extending the tool
+z -0.8mm		# board thickness
+z -0.5mm		# tool extra depth
+clear
+
+excellon ../atusd.drl
+drill 7mil 15mil	# 12.5-13.5 mil drill
+optimize
+write drill.gp
+
+remainder
+mill 20mil 0.01mm	# 35 mil endmill; pretend it is a little smaller,
+			# to compensate for tool/board deflections
+write mill.gp
+
+remainder
+empty
+
+gerber 20mil ../atusd-PCB_Edges.gbr	# 35 mil endmill, 15 mil deflection
+offset
+append mill.gp
+EOF
+
+
+gp2rml 2 0.5 0.5 mill.gp >mill.rml
+gp2rml 2 0.1 0.5 drill.gp >drill.rml
+
+
+cat <<EOF >Makefile.mkmk
+SPOOL=/home/moko/svn.openmoko.org/developers/werner/cncmap/spool/spool
+CNGT=/home/qi/cae-tools/cngt/cngt
+
+.PHONY:		mill drill cng plot dplot
+
+mill:
+		PORT=/dev/ttyUSB0 \$(SPOOL) mill.rml
+
+drill:
+		PORT=/dev/ttyUSB0 \$(SPOOL) drill.rml
+
+cng:
+		\$(CNGT) -57.4 20 mill.gp
+
+plot:
+		echo 'plot "drill.gp" with points, "mill.gp" with lines' | \\
+		  gnuplot -persist
+
+dplot:
+		echo 'plot "< sed /^\$\$/d drill.gp" with linespoints' | \\
+		  gnuplot -persist
+
+clean::
+		rm -f mill.gp mill.rml drill.gp drill.rml
+EOF
diff --git a/atusd/cam/pcb.pl b/atusd/cam/pcb.pl
deleted file mode 100755
index 35f7818..0000000
--- a/atusd/cam/pcb.pl
+++ /dev/null
@@ -1,85 +0,0 @@
-#!/usr/bin/perl
-
-$d = 2.54/1000*12;
-$r = $d/2+0.25;
-
-
-sub orig
-{
-    $x0 = $_[0];
-    $y0 = $_[1];
-}
-
-
-sub mil
-{
-    return $_[0]/1000*25.4;
-}
-
-
-sub same
-{
-    return @_;
-}
-
-
-sub rot
-{
-    return (-$x, -$y);
-}
-
-
-sub cut
-{
-    local (*fn) = $_[0];
-
-    shift @_;
-    if (defined $x) {
-	if ($x == $_[0]+$x0 && $y == $_[1]+$y0) {
-	    shift @_;
-	    shift @_;
-	} else {
-	    print "\n";
-	}
-    }
-    while (@_) {
-	$x = shift @_;
-	$y = shift @_;
-	($x, $y) = &fn($x, $y);
-	$x += $x0;
-	$y += $y0;
-	print "$x $y $z\n";
-    }
-}
-
-
-sub one
-{
-    local ($fn) = @_;
-
-    &cut($fn,
-      &mil(   0)-$r,	&mil(   0)-$r,
-      &mil(   0)-$r,	&mil(1010)+$r,
-      &mil(1400)+$r,	&mil(1010)+$r,
-      &mil(1400)+$r,	&mil( 640)-$r,
-      &mil( 440)+$r,	&mil( 640)-$r,
-      &mil( 440)+$r,	&mil( 390)-$r,
-      &mil( 410)+$r,	&mil( 360)-$r,
-      &mil( 410)+$r,	&mil( 310)+$r,
-      &mil( 440)+$r,	&mil( 310)+$r,
-      &mil( 440)+$r,	&mil( 250)-$r,
-      &mil( 380)+$r,	&mil( 190)-$r,
-      &mil( 380)+$r,	&mil(   0)-$r,
-      &mil(   0)-$r,	&mil(   0)-$r);
-}
-
-
-$z = -0.8;
-$col = 1;
-$row = 1;
-# x: corner offset, compensation for rotation, array position
-# y: corner offet
-&orig(5+53.5*$col, 5+33*$row)
-&one(*same);
-&orig(5+53.5*$col+15+&mil(1400), 5+33*$row+&mil(1010));
-&one(*rot);