Screw holes already done!

1 files changed, 42 insertions, 2 deletions

diff --git a/case/case.scad b/case/case.scad
index 421b8a5..6794381 100644
--- a/case/case.scad
+++ b/case/case.scad
@@ -2,11 +2,35 @@ $fn = 72;
 
 pcb_width  = 257.175;
 pcb_height =  95.250;
+
+screw_holes = [
+    [  4.8150, 85.6188],
+    [ 47.4822, 85.6188],
+    [ 85.8150, 85.6188],
+    [123,8150, 85.6188],
+    [161.8150, 85.6188],
+    [199.8150, 85.6188],
+    [251.3150, 67.1188],
+    [ 22.5650, 47.6187],
+    [118.8150, 47.6187],
+    [157.3150, 47.6187],
+    [  4.7500, 28.7500],
+    [ 29.7500, 28.7500],
+    [227.8150, 28.7500],
+    [251.8150, 28.7500],
+    [ 42.8150,  9.1188],
+    [ 85.8150,  9.1188],
+    [123.8150,  9.1188],
+    [161.8150,  9.1188],
+    [200.3150,  9.1188]
+];
  
-module keyboard_base_plate(pcb_width, pcb_height) {
+module keyboard_base_plate(pcb_width, pcb_height, screw_holes=[]) {
     pcb_clearance_edge   = 1.0;
     pcb_clearance_bottom = 2.0;
     
+    pcb_screw_hole_diameter = 1.5;
+    
     thickness     = 2.0;
     wall_height   = 14.0;
     corner_radius = thickness / 2.0;
@@ -48,6 +72,14 @@ module keyboard_base_plate(pcb_width, pcb_height) {
         }
     }
     
+    module screw_post(translation, h, d1, d2) {
+        translate(translation)
+        difference() {
+            cylinder(h=h, r=d1/2.0);
+            cylinder(h=h, r=d2/2.0);
+        }
+    }
+    
     /* Lower left corner */
     round_corner([0 - pcb_clearance_edge,
                   0 - pcb_clearance_edge, 0], [-90, 90, 90]);
@@ -138,6 +170,14 @@ module keyboard_base_plate(pcb_width, pcb_height) {
          [2 * pcb_clearance_edge + pcb_width,
           2 * pcb_clearance_edge + pcb_height,
           thickness]);
+          
+    /* Screw holes */
+    for (screw_hole = screw_holes) {
+        screw_post([screw_hole[0], screw_hole[1], thickness],
+                   pcb_clearance_bottom,
+                   pcb_screw_hole_diameter * 2,
+                   pcb_screw_hole_diameter);
+    }
 }
 
-keyboard_base_plate(pcb_width, pcb_height);
+keyboard_base_plate(pcb_width, pcb_height, screw_holes);