2 files changed, 48 insertions, 46 deletions
diff --git a/case/support.scad b/case/support.scad
new file mode 100644
index 0000000..6aa8a84
--- /dev/null
+++ b/case/support.scad
@@ -0,0 +1,46 @@
+module support(dimensions, width) {
+    aspect_ratio = 3.75 / 12.0;
+
+    length = dimensions[0];
+    height = dimensions[1];
+
+    module right_triangle(base) {
+        hypot = sqrt(2*(base^2));
+
+        intersection() {
+            square([base, base]);
+
+            translate([-base, 0, 0])
+            rotate([0, 0, -45])
+            square([hypot, hypot]);
+        }
+    }
+
+    module shape() {
+        /* Height ratio of lower aspect to upper aspect */
+        aspect_upper_height = height;
+        aspect_lower_height = aspect_ratio * height;
+
+        /* The length of each individual support aspect */
+        aspect_length = 1/3 * length;
+
+        hypotenuse     = sqrt(2*(aspect_length^2));
+        lower_x_offset = aspect_length - (hypotenuse - aspect_length);
+
+        right_triangle(height);
+
+        square([length, aspect_lower_height], false);
+
+        translate([3 * aspect_length, 0, 0])
+        mirror([1, 0, 0])
+        right_triangle(height);
+    }
+
+    translate([0, length, 0])
+    rotate([-90, 0, -90])
+    linear_extrude(width)
+    intersection() {
+        shape();
+        square([length, height], false);
+    }
+}
diff --git a/case/top.scad b/case/top.scad
index ce89eca..3aabfb8 100644
--- a/case/top.scad
+++ b/case/top.scad
@@ -1,7 +1,8 @@
 $fn = 72;
 
-include <keyboard.scad>
 include <dimensions.scad>
+include <support.scad>
+include <keyboard.scad>
 
 module top_case() {
     keyboard_deck_z_offset = wall_height - keyboard_switch_height;
@@ -74,51 +75,6 @@ module top_case() {
         support_height = keyboard_switch_height - wall_width;
         aspect_ratio   = 3.75 / 12.0;
 
-        module support(dimensions, width) {
-            length = dimensions[0];
-            height = dimensions[1];
-
-            module right_triangle(base) {
-                hypot = sqrt(2*(base^2));
-
-                intersection() {
-                    square([base, base]);
-
-                    translate([-base, 0, 0])
-                    rotate([0, 0, -45])
-                    square([hypot, hypot]);
-                }
-            }
-
-            module shape() {
-                /* Height ratio of lower aspect to upper aspect */
-                aspect_upper_height = height;
-                aspect_lower_height = aspect_ratio * height;
-
-                /* The length of each individual support aspect */
-                aspect_length = 1/3 * length;
-
-                hypotenuse     = sqrt(2*(aspect_length^2));
-                lower_x_offset = aspect_length - (hypotenuse - aspect_length);
-
-                right_triangle(height);
-
-                square([length, aspect_lower_height], false);
-
-                translate([3 * aspect_length, 0, 0])
-                mirror([1, 0, 0])
-                right_triangle(height);
-            }
-
-            translate([0, length, 0])
-            rotate([-90, 0, -90])
-            linear_extrude(width)
-            intersection() {
-                shape();
-                square([length, height], false);
-            }
-        }
-
         support_x_interval = (keyboard_pcb_width + 2 * wall_width - support_width) / 6;
         support_x_offset   =  keyboard_x_offset - wall_width;