diff --git a/docs/specs/main_display_ILI9341.pdf b/docs/specs/main_display_ILI9341.pdf
new file mode 100644
index 0000000..ef9388c
Binary files /dev/null and b/docs/specs/main_display_ILI9341.pdf differ
diff --git a/docs/specs/main_display_ST7735S.pdf b/docs/specs/main_display_ST7735S.pdf
deleted file mode 100644
index 17df189..0000000
Binary files a/docs/specs/main_display_ST7735S.pdf and /dev/null differ
diff --git a/model/right-half.scad b/model/right-half.scad
index 2db645d..4c2080e 100644
--- a/model/right-half.scad
+++ b/model/right-half.scad
@@ -17,10 +17,10 @@ module right_half_door_only() {
 }
 // #right_half_door_only();
 
-module battery_spacer(cable_cube_additional_length=0) {
+module battery_spacer(cable_cube_additional_length=0, cable_cube = 8.25) {
     length = 106;
-    rotate([0, 90, 90]) cylinder(d=18.5, h=length);
-    cable_cube = 8.25;
+    battery_d = 18;
+    rotate([0, 90, 90]) cylinder(d=battery_d+1.9, h=length);
     translate([0, 0, -cable_cube]) cube([cable_cube, length+cable_cube_additional_length, cable_cube]);
 }
 // !battery_spacer();
@@ -28,13 +28,13 @@ module battery_spacer(cable_cube_additional_length=0) {
 module battery_contact()
 {
     base_height = 4;
-    silver_wire_d = 1.15;
+    silver_wire_d = 1.7;
 
     module base_body() {
         rotate([90, 0, 0])
             resize([0, base_height, 0], auto=[false, true, false])
-                scale(0.99)
-                    battery_spacer();
+                scale(0.92)
+                    battery_spacer(cable_cube=0);
     }
 
     module contact_spring()
@@ -42,24 +42,24 @@ module battery_contact()
         spring_width = 11;
         translate([-2, -spring_width/2, 0])
             difference() {
-                scale([1.75, 1, 1]) rotate([-90, 0, 0]) cylinder(d=10, h=spring_width);
-                scale([1.75, 1, 1.5]) rotate([-90, 0, 0]) cylinder(d=6, h=spring_width);
-                translate([-100, 0, -50]) cube(100);
+                scale([1.5, 1, 1]) 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([0, spring_width/3-silver_wire_d, 0]) cube([silver_wire_d, silver_wire_d, 50]);
-                translate([0, spring_width*2/3, 0]) cube([silver_wire_d, silver_wire_d, 50]);
+                translate([-1, spring_width/3-silver_wire_d, 0]) cube([silver_wire_d, silver_wire_d, 50]);
+                translate([-1, spring_width*2/3, 0]) cube([silver_wire_d, silver_wire_d, 50]);
             }
     }
+
     module silver_wire_channels()
     {
-        translate([7.3, 0, -6])
-            rotate([-15, 0, 0])
-                cylinder(d=silver_wire_d, h=15);
+        translate([6.5, -2.5, -7])
+                #cylinder(d=silver_wire_d, h=15);
 
-        translate([7.3, 0, -6])
-            rotate([15, 0, 0])
-                cylinder(d=silver_wire_d, h=15);
+        translate([6.5, 2.5, -7])
+                #cylinder(d=silver_wire_d, h=15);
     }
+    // silver_wire_channels();
 
     translate([0, 0, base_height])
         rotate([0, 0, 45])
@@ -74,7 +74,7 @@ module battery_contact()
                 silver_wire_channels();
     }
 }
-// !battery_contact();
+battery_contact();
 
 module right_half_hinge_only() {
     module original() {
@@ -104,12 +104,12 @@ module right_half_hinge_only() {
     base_model();
     // translate([0, -40, 11]) rotate([0, 0, 90]) battery();
 }
-// right_half_hinge_only();
+// !right_half_hinge_only();
 
 module right_half() {
     right_half_door_only();
     right_half_hinge_only();
 }
 
-right_half();
+// right_half();
 // #right_half_components();