added cryptex designs

my_designs/ACE Screen Cover/ACE_Screen_Cover.scad

@@ -0,0 +1,63 @@
+$fn=180;
+
+// ACE Screen Dimensions
+screen_width=120.25;
+screen_height=81;
+screen_depth=10;
+screen_radius=5; // Est. - need to actually measure
+left_long_edge=62;
+left_short_edge=40;
+
+// Screen Cover Frame Dimensions
+frame_thickness=1;
+frame_width=screen_width+(frame_thickness*2);
+frame_height=screen_height+(frame_thickness*2);
+frame_depth=screen_depth+frame_thickness;
+
+// Screen Cover Object Dimensions
+cover_width=frame_width-(frame_thickness*10);
+cover_height=frame_height-(frame_thickness*10);
+cover_depth=frame_thickness;
+
+
+// Screen Cover Frame Object
+module screen_cover_frame() {
+    cube([frame_width, frame_height, frame_depth], center=true);
+}
+
+// Screen Cover Frame Cutout Object
+module screen_cover_frame_cutout() {
+    coords=[
+        [0,0],
+        [0,(frame_height-left_long_edge)],
+        [frame_depth,(frame_height-left_short_edge)],
+        [frame_depth,0]
+    ];
+    translate([0, -(frame_height-left_short_edge)/2, (frame_depth/2)])
+        rotate([0,90,0])
+            linear_extrude(height = frame_thickness, center = true)
+                polygon(points=coords);
+}
+
+// Screen Cover Object
+module screen_cover() {
+    cube([cover_width, cover_height, cover_depth], center=true);
+}
+
+// ACE Screen Object
+module ace_screen() {
+    cube([screen_width, screen_height, screen_depth], center=true);
+}
+
+difference(){
+    screen_cover_frame();
+   
+    translate([0, 0, (frame_depth-frame_thickness)/2])
+        screen_cover();
+    
+    translate([-((frame_width-frame_thickness)/2), -(frame_height-(frame_height-left_short_edge))/2, 0])
+        screen_cover_frame_cutout();
+
+    translate([0, 0, -(frame_thickness/2)])
+        ace_screen();
+}