My head hurts

1 files changed, 44 insertions, 27 deletions

diff --git a/case/top.scad b/case/top.scad
index 0279fd7..4454ba2 100644
--- a/case/top.scad
+++ b/case/top.scad
@@ -33,6 +33,8 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
     keyboard_x_offset = 12.2500;
     keyboard_y_offset = 12.2500;
 
+    keyboard_deck_z_offset = wall_height - wall_width - keyboard_switch_height;
+
     accent_width    =  1.0000;
     accent_depth    = 0.5;
     accent_y_stride = (keyboard_length - accent_width) / 5.0;
@@ -78,48 +80,48 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
             cube([accent_depth, accent_width, wall_height], false);
         }
     }
-    
-    module support(dimensions, width) {
+
+     module support(dimensions, width) {
         length = dimensions[0];
         height = dimensions[1];
-        
+
         module right_triangle(base) {
-            length = sqrt((base ^ 2) / 2.0);
+            hypot = sqrt(2 * (base ^ 2 ));
+
+            difference() {
+                square([base, base], false);
 
-            intersection() {
-                rotate([0, 0, -45])
-                square([length*2, length*2], true);
-            
-                square([length*2, length*2]);
+                translate([base, 0, 0])
+                rotate([0, 0, 45])
+                square([hypot, hypot], false);
             }
         }
-        
+
         module shape() {
             /* Height ratio of lower aspect to upper aspect */
             aspect_ratio = 3.75 / 12.0;
-            
+
             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(aspect_length);
-            
-            translate([lower_x_offset, 0, 0])
-            square([1.5 * hypotenuse, aspect_lower_height]);
-            
+
+            right_triangle(height);
+
+            square([length, aspect_lower_height], false);
+
             translate([3 * aspect_length, 0, 0])
             mirror([1, 0, 0])
-            right_triangle(aspect_length);
+            right_triangle(height);
         }
-        
-        linear_extrude(width) shape();
+
+        translate([0, length, 0]) rotate([-90, 0, -90]) linear_extrude(width) shape();
     }
-    
+
     module body() {
         translate([0, 0, wall_height - wall_width])
         fascia();
@@ -137,6 +139,24 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
 
         /* Left */
         cube([wall_width, case_length_bottom, wall_height - wall_width], false);
+
+        /* Upper vertical supports */
+        upper_support_length = case_length_bottom
+                             - keyboard_length
+                             - keyboard_y_offset
+                             - 2 * wall_width;
+
+        upper_support_y_offset = keyboard_y_offset
+                               + keyboard_length
+                               + wall_width;
+
+        upper_support_x_offset = keyboard_x_offset - wall_width;
+
+        translate([upper_support_x_offset,
+                   upper_support_y_offset,
+                   wall_height - wall_width])
+        support([upper_support_length, keyboard_switch_height],
+                1.25);
     }
 
     module screw_holes() {
@@ -173,7 +193,7 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
                 linear_extrude(wall_width)
                 difference() {
                     square([plate_width, plate_length], false);
-                    
+
                     translate([hole_x, hole_y, 0])
                     square([hole_width, hole_length], false);
                 }
@@ -234,11 +254,8 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
         vents();
     }
 
-    keyboard_deck_z_offset = wall_height - wall_width - keyboard_switch_height;
-
     translate([keyboard_x_offset, keyboard_y_offset, keyboard_deck_z_offset])
     keyboard_deck();
 }
 
-top_case(keyboard_switch_sizes,
-         keyboard_pcb_screw_holes);
+top_case(keyboard_switch_sizes, keyboard_pcb_screw_holes);