diff --git a/box.scad b/box.scad
index d425a87..6723aa8 100644
--- a/box.scad
+++ b/box.scad
@@ -213,15 +213,21 @@ module boxjoiner_clear(inset=5, slop=.01, jh=JOINER_H, jw=JOINER_W, align=V_FRON
 module hinge(theta=90) {
 	x=7;
 	py=20;
+	d = .4 / sqrt(2);
 	difference() {
-		left(x/2)cuboid([x,20,50], fillet=2, edges=EDGES_X_ALL);
+		left(x/2)cuboid([x,20+2*d,50], fillet=2, edges=EDGES_X_ALL);
 		hinge_mount($die=true);
 	}
-	left(5.5)back(py/2 + 5)zrot(theta){
-		cylinder(r=5, h=6);
+	left(5+d)back(py/2 + 5+d)zrot(theta){
+		zspread(n=4, l=42 ) cyl(r=5, h=6);
 		difference() {
-			left((x)/2-5)back(10+5)cuboid([x,20,50], fillet=2, edges=EDGES_X_ALL);
-			right(5)back(10+5)zrot(180) { 
+			zspread(n=3, l=28 ) cyl(r=5, h=6);
+			zspread(n=3, l=28 ) cyl(r=2.2, h=6.2);
+		}
+		cyl(r=2, h=42);
+		difference() {
+			left((x)/2-5)back(10+5)cuboid([x,20+2*d,50], fillet=2, edges=EDGES_X_ALL);
+			right(5)back(10+6)zrot(180) { 
 				hinge_mount(bl=9, $die=true);
 				%hinge_mount(bl=9,$die=false);
 			}