diff --git a/model/right-half.scad b/model/right-half.scad
index 25865da..4c2080e 100644
--- a/model/right-half.scad
+++ b/model/right-half.scad
@@ -33,7 +33,7 @@ module battery_contact()
     module base_body() {
         rotate([90, 0, 0])
             resize([0, base_height, 0], auto=[false, true, false])
-                scale(0.96)
+                scale(0.92)
                     battery_spacer(cable_cube=0);
     }
 
@@ -43,7 +43,7 @@ module battery_contact()
         translate([-2, -spring_width/2, 0])
             difference() {
                 scale([1.5, 1, 1]) rotate([-90, 0, 0]) cylinder(d=10, h=spring_width);
-                scale([0.95, 1, 0.8]) rotate([-90, 0, 0]) cylinder(d=10, h=spring_width);
+                scale([0.95, 1, 0.87]) rotate([-90, 0, 0]) cylinder(d=10, h=spring_width);
                 translate([-101, 0, -50]) cube(100);
                 translate([-50, 0, -100]) cube(100);
                 translate([-1, spring_width/3-silver_wire_d, 0]) cube([silver_wire_d, silver_wire_d, 50]);