1 files changed, 52 insertions, 14 deletions

diff --git a/case/case.scad b/case/case.scad
index 6641c35..421b8a5 100644
--- a/case/case.scad
+++ b/case/case.scad
@@ -22,7 +22,7 @@ module keyboard_base_plate(pcb_width, pcb_height) {
         }
     }
 
-    module round_edge(length, translation, rotation) {
+    module round_edge(translation, rotation, length) {
         translate(translation)
         rotate(rotation)
         linear_extrude(length)
@@ -37,7 +37,17 @@ module keyboard_base_plate(pcb_width, pcb_height) {
         linear_extrude(dimensions[2])
         square([dimensions[0], dimensions[1]], false);
     }
-
+    
+    module wall_corner(translation, rotation, radius, length) {
+        translate(translation)
+        rotate(rotation)
+        linear_extrude(length)
+        intersection() {
+            circle(r=radius);
+            square([radius, radius], false);
+        }
+    }
+    
     /* Lower left corner */
     round_corner([0 - pcb_clearance_edge,
                   0 - pcb_clearance_edge, 0], [-90, 90, 90]);
@@ -55,25 +65,53 @@ module keyboard_base_plate(pcb_width, pcb_height) {
                   0 - pcb_clearance_edge, 0], [180, 90, 90]);
 
     /* Upper edge */
-    round_edge( 2 * pcb_clearance_edge + pcb_width,
-               [0 - pcb_clearance_edge,
-                    pcb_clearance_edge + pcb_height, 0], [0, 90, 0]);
+    round_edge([0 - pcb_clearance_edge,
+                    pcb_clearance_edge + pcb_height, 0], [0, 90, 0],
+                2 * pcb_clearance_edge + pcb_width);
          
     /* Right edge */
-    round_edge( 2 * pcb_clearance_edge + pcb_height,
-               [    pcb_clearance_edge + pcb_width,
-                0 - pcb_clearance_edge, 0], [270, 0, 0]);
+    round_edge([    pcb_clearance_edge + pcb_width,
+                0 - pcb_clearance_edge, 0], [270, 0, 0],
+                2 * pcb_clearance_edge + pcb_height);
          
     /* Lower edge */
-    round_edge(2 * pcb_clearance_edge + pcb_width,
-               [0 - pcb_clearance_edge,
-                0 - pcb_clearance_edge, 0], [90, 180, 90]);
+    round_edge([0 - pcb_clearance_edge,
+                0 - pcb_clearance_edge, 0], [90, 180, 90],
+                2 * pcb_clearance_edge + pcb_width);
          
     /* Left edge */
-    round_edge( 2 * pcb_clearance_edge + pcb_height,
-               [0 - pcb_clearance_edge,
-                0 - pcb_clearance_edge, 0], [270, 90, 0]);
+    round_edge([0 - pcb_clearance_edge,
+                0 - pcb_clearance_edge, 0], [270, 90, 0],
+                2 * pcb_clearance_edge + pcb_height);
 
+   /* Upper right wall corner */
+    wall_corner([pcb_clearance_edge + pcb_width,
+                 pcb_clearance_edge + pcb_height, 0],
+                [0, 0, 0],
+                corner_radius,
+                wall_height);
+                
+    /* Lower right wall corner */
+    wall_corner([    pcb_clearance_edge + pcb_width,
+                 0 - pcb_clearance_edge, 0],
+                [0, 0, 270],
+                corner_radius,
+                wall_height);
+
+    /* Lower left wall corner */
+    wall_corner([0 - pcb_clearance_edge,
+                 0 - pcb_clearance_edge, 0],
+                [0, 0, 180],
+                corner_radius,
+                wall_height);
+                
+    /* Upper left wall corner */
+    wall_corner([0 - pcb_clearance_edge,
+                     pcb_clearance_edge + pcb_height, 0],
+                [0, 0, 90],
+                corner_radius,
+                wall_height);
+ 
     /* Upper wall */
     side([ 0 - pcb_clearance_edge,
           pcb_height, 0],