Add rigidity to chassis

1 files changed, 25 insertions, 0 deletions

diff --git a/case/case.scad b/case/case.scad
index bce1384..3da1612 100644
--- a/case/case.scad
+++ b/case/case.scad
@@ -81,6 +81,29 @@ module keyboard_base_plate(pcb_width, pcb_height) {
         }
     }
     
+    module ridges() {
+        horizontal = [
+            (bottom_height / 3),
+            (bottom_height / 3) * 2
+        ];
+        
+        vertical = [
+            (bottom_width / 4),
+            (bottom_width / 4) * 2,
+            (bottom_width / 4) * 3
+        ];
+        
+        for (y = horizontal) {
+            side([0 - pcb_clearance_edge, y, 0],
+                 [pcb_width, thickness * 2, pcb_clearance_edge]);
+        }
+        
+        for (x = vertical) {
+            side([x, 0 - pcb_clearance_edge, 0],
+                 [pcb_height, thickness * 2, pcb_clearance_edge]);
+        }
+    }
+    
     /* Upper right corner */
     round_corner([thickness + pcb_clearance_edge + pcb_width,
                   thickness + pcb_clearance_edge + pcb_height,
@@ -202,6 +225,8 @@ module keyboard_base_plate(pcb_width, pcb_height) {
                    pcb_screw_hole_diameter * 2,
                    pcb_screw_hole_diameter);
     }
+    
+    ridges();
 }
 
 keyboard_base_plate(pcb_width, pcb_height);