diff --git a/zvs-driver.scad b/zvs-driver.scad
index cf7fa8d..7340f8b 100644
--- a/zvs-driver.scad
+++ b/zvs-driver.scad
@@ -16,7 +16,7 @@ PCB_CLR = 5;
 /* [Design] */
 
 V_IN = 12;
-Turns_Ratio = 85;
+Turns_Ratio = 100;
 
 /* [Mount Stands] */
 
@@ -64,12 +64,19 @@ up(5) %difference() {
 
 // Box
 difference() {
-	left(25/2) cuboid([PCB_X+30+2*BOX_WALL+.4,PCB_Y+2*BOX_WALL+.4,PCB_Z+PCB_CLR+BOX_WALL], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
+	union() {
+		left(25/2) cuboid([PCB_X+35+2*BOX_WALL+.4,PCB_Y+2*BOX_WALL+.4,PCB_Z+PCB_CLR+BOX_WALL], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
+		yspread(n=2, l=48) left(15+6+PCB_X/2) {
+			cuboid([21.4,6+8.5,8.1]);
+		}
+		yspread(n=2, l=50) left(15+6+PCB_X/2)
+		xspread(n=2, l=18.4) cuboid([3,4+8.5,11]);
+	}
 	pcb_mount_clearance();
 	mount_positions() thread_insertM25(bl=6, bz=-6, $die=true);
-	up(2)rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
+	up(4)rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
 }
-up(2) rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
+up(4) rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
 
 module mount_positions() {
 		left((Mount_Y-Mount_X)/2) yspread(l=Mount_Y) xspread(l=Mount_X) children();
@@ -82,7 +89,7 @@ module pcb_mount_clearance() {
 	color("yellow") up(.01) cuboid([PCB_X+.4,PCB_Y+.4,PCB_Z+.01], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
 	down(PCB_Z-.01) difference() {
 		union() {
-			cuboid([PCB_X,PCB_Y,PCB_CLR+.02], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
+			cuboid([PCB_X,PCB_Y,PCB_CLR], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
 		}
 		color("green") up(.02) {
 			right(PCB_X/2) cuboid([4,PCB_Y,PCB_CLR+.02], align=V_BOTTOM); // Edge Support