diff --git a/zvs-driver.scad b/zvs-driver.scad
index 9ea6e38..53c88cd 100644
--- a/zvs-driver.scad
+++ b/zvs-driver.scad
@@ -13,6 +13,11 @@ PCB_X  = 100.30;
 PCB_Z   = 1.69;
 PCB_CLR = 5;
 
+/* [Design] */
+
+V_IN = 12;
+Turns_Ratio = 85;
+
 /* [Mount Stands] */
 
 Mount_Hole_D = 4.36;
@@ -38,9 +43,17 @@ module print_specs() {
 	echo("Max Current: 20A");
 	echo("24V no load current: 3A");
 	echo("48V no load current: 6A");
-	echo("Caps .33uFx6 = ");
+	echo("Caps .33uFx6 = 1.90 uF");
+
+	vpk = PI * V_IN;
+	opk = vpk*Turns_Ratio;
+	oac = opk/sqrt(2);
+	echo("Vpk = ", vpk, " volts");
+	echo( "OutPk = ", opk," volts"); 
+	echo("RMS = ", oac, " volts");
 }
- 
+//
+print_specs(); 
 // PCB Board
 up(5) %difference() {
 	cuboid([PCB_X,PCB_X,PCB_Z], fillet=3, edges=EDGES_Z_ALL, align=V_TOP);
@@ -53,10 +66,9 @@ 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);
 	pcb_mount_clearance();
 	mount_positions() thread_insertM25(bl=6, bz=-6, $die=true);
-	rotate([00,0,0]) left(5+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
-	thread_insertM25(bl=5, bz=-5, $die=false);
+	up(2)rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
 }
-rotate([00,0,0]) left(5+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
+up(2) 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();