diff --git a/bacon/case/Makefile b/bacon/case/Makefile
index 4980f20..e91af65 100644
--- a/bacon/case/Makefile
+++ b/bacon/case/Makefile
@@ -14,12 +14,14 @@ GP2RML = $(CAE_TOOLS)/gp2rml/gp2rml
 # new run (10 45, 135 85, 7.8)
 # #1: 13 45
 # #2: 75 48
+# Z1 = -44
+# PIECE_Z = 7.9
 
-X0 = 75
-Y0 = 48
-Z1 = -50
+X0 = 5
+Y0 = 45
+Z1 = -44
 PIECE = -5 -5 30 55
-PIECE_Z = 7.9
+PIECE_Z = 5.5
 Z_STEP = 2
 CLEARANCE = 2
 SPEED_XY = 1
diff --git a/bacon/case/case.fpd b/bacon/case/case.fpd
index 3cb139d..02a8f65 100644
--- a/bacon/case/case.fpd
+++ b/bacon/case/case.fpd
@@ -14,11 +14,11 @@
 #define QLL(pfx, r) \
     Q(pfx##lly, pfx##llx, pfx##ll, (0mm, r), (r, 0mm))
 #define QLR(pfx, r) \
-    Q(pfx##lrx, pfx##lry, pfx##lr, (-r, 0mm), (0mm, r))
+    Q(pfx##lrx, pfx##lry, pfx##lr, (-(r), 0mm), (0mm, r))
 #define QUL(pfx, r) \
-    Q(pfx##ulx, pfx##uly, pfx##ul, (r, 0mm), (0mm, -r))
+    Q(pfx##ulx, pfx##uly, pfx##ul, (r, 0mm), (0mm, -(r)))
 #define QUR(pfx, r) \
-    Q(pfx##ury, pfx##urx, pfx##ur, (0mm, -r), (-r, 0mm))
+    Q(pfx##ury, pfx##urx, pfx##ur, (0mm, -(r)), (-(r), 0mm))
 
 /*
  * Rectangle with rounded corners.
@@ -205,19 +205,22 @@ frame bot_rrect {
 	QUL(edge_, ro_edge);
 	QUR(edge_, ro_edge);
 
-	set side = (width-cvr_w-cvr_play)/2-red
+	set side = (width-cvr_w-2*cvr_play)/2-red
 	cvr_ll: vec edge_ll(side, 0mm)
 	cvr_lr: vec edge_lr(-side, 0mm)
-	cvr_ul: vec cvr_ll(0mm, cvr_d+cvr_play+red)
-	cvr_ur: vec cvr_lr(0mm, cvr_d+cvr_play+red)
+	cvr_ul: vec cvr_ll(0mm, cvr_d+2*cvr_play+red)
+	cvr_ur: vec cvr_lr(0mm, cvr_d+2*cvr_play+red)
 
-	line edge_ll cvr_ll
+	line edge_ll cvr_ll		/* outside */
 
-	line cvr_ll cvr_ul	/* cover bay */
-	line cvr_ul cvr_ur
-	line cvr_ur cvr_lr
+	QUL(cvr_, cvr_r+red+cvr_play)	/* cover bay */
+	QUR(cvr_, cvr_r+red+cvr_play)
 
-	line cvr_lr edge_lr
+	line cvr_ll cvr_uly
+	line cvr_ulx cvr_urx
+	line cvr_ury cvr_lr
+
+	line cvr_lr edge_lr		/* outside */
 	line edge_ll edge_uly
 	line edge_lr edge_ury
 	line edge_ulx edge_urx
@@ -238,7 +241,7 @@ frame bot_posts {
 frame bot_base {
 	loop if = 1, bot_base
 
-	set red = cvr_foot+cvr_play
+	set red = cvr_foot
 	frame bot_rrect @
 }
 
@@ -297,8 +300,8 @@ table
     { 20.2mm, 12.1mm, 4.1mm,   4.0mm,   5.0mm,  4.5mm }
 
 table
-    { cvr_w,  cvr_d,  cvr_f, cvr_foot, cvr_play }
-    { 20.0mm, 15.0mm, 5.0mm, 0.8mm,    0.1 mm }
+    { cvr_w,  cvr_d,  cvr_f, cvr_foot, cvr_play, cvr_r }
+    { 20.0mm, 15.0mm, 5.0mm, 0.8mm,    0.1mm,    2.0mm }
 
 set width = pcbw+2*(pcbgap+topridge+topborder)
 set length = pcbl+2*(pcbgap+topridge+topborder)