//tongue_w = 11.92 + 0.4;
usb_w = 12.01 - 0.3;
-usb_wall_w = 0.75 - 0.1;
+usb_wall_w = 0.51;
usb_tongue_d = 8.97 - 0.2;
usb_wall_h = 4.54 - 2.04;
-usb_ceil_th = 0.125;
+usb_ceil_th = 0.425;
side_wall_th = 1.5;
-board_l = 13.56 + 0.2;
+board_l = 17.56 + 0.2;
board_w = 19.14 + 0.2;
+board_th = 1.92 + 0.1;
-module TopSmallWallsPlan() {
+sw_to_edge = board_w/2 + 0.1;
+
+front_wall_th = 0.75;
+egress_w = 8.0;
+
+wall_y_min = -board_l - side_wall_th;;
+ceil_y_min = wall_y_min - 5;;
+
+small_walls = [
+ [ [0, 0], [-sw_to_edge, -1.0] ],
+ [ [sw_to_edge-4.5, -4.5], [sw_to_edge, -5.7] ],
+ [ [3.0, -11.72], [sw_to_edge, -13.38] ],
+ [ [-sw_to_edge+3.85, -14.90], [sw_to_edge, -13.38] ],
+ ];
+chip_cutout = [[ -sw_to_edge + 4.20, -4.50 ],
+ [ -sw_to_edge + 11.95, -11.90 ]];
+
+module BothSides(){
for (m=[0,1]) {
mirror([m,0]) {
- rectfromto([ -usb_w/2, -0.01 ],
- [ -usb_w/2 + usb_wall_w, usb_tongue_d ]);
+ children();
}
}
}
-module BothSides(){
+module TopSmallWallsPlan() {
for (m=[0,1]) {
mirror([m,0]) {
- children();
+ rectfromto([ -usb_w/2, -0.01 ],
+ [ -usb_w/2 + usb_wall_w, usb_tongue_d ]);
}
}
+ for (w=small_walls) {
+ rectfromto(w[0], w[1]);
+ }
}
module TopCeilPlan() {
- BothSides(){
- rectfromto([ -usb_w/2, -0.01 ],
- [ 0.1, usb_tongue_d ]);
- rectfromto([ -board_w/2 - side_wall_th, 0 ],
- [ 0.1, -board_l ]);
+ difference(){
+ BothSides(){
+ rectfromto([ -usb_w/2, -0.01 ],
+ [ 0.1, usb_tongue_d ]);
+ rectfromto([ -board_w/2 - side_wall_th, 0 ],
+ [ 0.1, ceil_y_min ]);
+ }
+ rectfromto(chip_cutout[0], chip_cutout[1]);
}
}
module TopMainWallsPlan() {
-
+ BothSides(){
+ rectfromto([ -board_w/2 - side_wall_th, 0 ],
+ [ -board_w/2, wall_y_min ]);
+ rectfromto([ -board_w/2 - side_wall_th, 0 ],
+ [ -usb_w/2, front_wall_th ]);
+ }
+ rectfromto([ -board_w/2 - side_wall_th + egress_w, -board_l ],
+ [ +board_w/2 + side_wall_th, wall_y_min ]);
}
module Top(){
TopSmallWallsPlan();
linextr(usb_wall_h - usb_ceil_th, usb_wall_h)
TopCeilPlan();
+ linextr(-board_th, usb_wall_h)
+ TopMainWallsPlan();
}
Top();