usb_wall_h = 4.54 - 2.04;
usb_ceil_th = 0.425;
-side_wall_th = 1.5;
+side_wall_th = 1.5; // XXXX rename wall_th
board_l = 17.56 + 0.2;
board_w = 19.14 + 0.2;
strain_groove_w = 3;
cable_space_z = 6;
+cable_dia = 5;
bottom_floor_th = 1.5;
fit_gap_z = 0.5;
+side_x_gap = 0.5;
+
+cover_ceil_th = 0.425;
// calculated
total_y_min = strain_1_y_c - strain_w/2 - side_wall_th;
bottom_wall_top_z = (top_top_z + top_base_z) * 0.5 - fit_gap_z/2;
-cover_wall_top_z = (top_top_z + top_base_z) * 0.5 + fit_gap_z/2;
+cover_wall_bot_z = (top_top_z + top_base_z) * 0.5 + fit_gap_z/2;
+cover_top_z = top_top_z + cover_ceil_th;
top_side_wall_x = +board_w/2 + side_wall_th;
+total_side_wall_x = top_side_wall_x + side_wall_th + side_x_gap;
module BothSides(){
for (m=[0,1]) {
}
}
-module BottomMainElevation(){ ////toplevel
+module TopElevationForCutout(){
+ rectfromto([ -(top_side_wall_x + side_x_gap), top_base_z ],
+ [ +(top_side_wall_x + side_x_gap), top_top_z ]);
+}
+module BottomMainElevation(){
difference(){
- rectfromto([ -top_side_wall_x, bottom_base_z ],
- [ +top_side_wall_x, top_base_z ]);
+ rectfromto([ -total_side_wall_x, bottom_base_z ],
+ [ +total_side_wall_x, bottom_wall_top_z ]);
+
+ TopElevationForCutout();
}
}
module Bottom(){ ////toplevel
- linextr_y_xz(total_y_min, front_y_max)
- BottomMainElevation();
+ difference(){
+ union(){
+ linextr_y_xz(total_y_min, front_y_max)
+ BottomMainElevation();
+ }
+
+ linextr_y_xz(total_y_min + side_wall_th,
+ front_y_max - side_wall_th)
+ rectfromto([ -board_w/2, bottom_base_z + bottom_floor_th ],
+ [ +board_w/2, 20 ]);
+
+ linextr_y_xz(total_y_min - 1,
+ total_y_min + side_wall_th + 1){
+ translate([ 0, top_base_z ]){
+ hull(){
+ translate([ 0, -cable_dia/2 ])
+ circle(r = cable_dia/2, $fa = 10, $fs = 1);
+ square([ cable_dia, 0.1 ], center=true);
+ }
+ }
+ }
+ }
+}
+
+module CoverMainElevation(){
+ difference(){
+ rectfromto([ -total_side_wall_x, cover_wall_bot_z ],
+ [ +total_side_wall_x, cover_top_z ]);
+
+ TopElevationForCutout();
+ }
+}
+module Cover(){ ////toplevel
+ linextr_y_xz(main_y_min, front_y_max)
+ CoverMainElevation();
}
module BottomDemo(){ ////toplevel
- Bottom();
- translate([0, 0, 0.25]) %Top();
+ translate([0, 0, -0.25]) Bottom();
+ %Top();
+ translate([0, 0, +0.25]) Cover();
}