lid_max_switches_w = 70;
lid_switches_y_slop = 3;
-total_len = 260;
+total_len = 80;//260;
thinbox_len = 87;
+rail_overlap = 8;
+
lid_top_wall = 1.5;
lid_front_wall = 1.5;
lid_side_wall = 1.5;
peg_top_thick = 1;
peg_straight_len = 3;
-peg_inner_slop = 0.2;
+peg_inner_slop = 0.75;
peg_outer_slop = 0.1;
peg_slope = 1;
lid_side_slop = 0.5;
lid_rail_behindslop = 0.5;
+lid_rail_strongwall = 2.5;
// computed
thinbox_front_z = lid_fatbox_switches_h + lid_fatbox_h - lid_thinbox_h;
+raillen = patbox_side/2 + rail_overlap;
+
module LidSideProfile(){
polygon([[-lid_top_wall, lid_inner_max_h],
- [lid_inner_kink[0], lid_inner_max_h],
- [lid_inner_kink[1], lid_inner_min_h],
+ [min(lid_inner_kink[0],total_len), lid_inner_max_h],
+ [min(lid_inner_kink[1],total_len), lid_inner_min_h],
[total_len, lid_inner_min_h],
[total_len, -lid_front_wall],
[-lid_top_wall, -lid_front_wall]]);
}
-module RailProfile(){
+module RailProfile(lslop=0.1){
yt_base = thinbox_front_z;
yt = yt_base - lid_rail_behindslop;
- pegx = (lid_inner_w - patbox_centres)/2;
+ pegx = (lid_inner_w_nom - patbox_centres)/2;
+ sw = lid_rail_strongwall;
- polygon([[-0.1, yt],
+ polygon([[-lslop, yt],
[pegx - peg_main_dia/2, yt],
[pegx - peg_main_dia/2, yt_base - peg_straight_len],
- [-0.1,
+ [sw,
yt_base - peg_straight_len - (pegx - peg_main_dia/2)/peg_slope
- -0.1]]);
+ +sw],
+ [sw,
+ lid_seatline_h - 1],
+ [-lslop,
+ lid_seatline_h - 1]]);
}
module LidSide(){
// rail
rotate([90,0,90])
translate([0,0,-0.1])
- linear_extrude(height=100.1) //todo
+ linear_extrude(height=raillen+0.1) //todo
RailProfile();
+
+ // rail end
+ translate([raillen, 0,0])
+ intersection(){
+ rotate_extrude($fn=50)
+ RailProfile(lslop=0);
+ translate([0, 25-0.1, 0])
+ cube(50, center=true);
+ }
+}
+
+module Lid(){ ////toplevel
+ for (m=[0,1])
+ mirror([0,m,0])
+ translate([0, -lid_inner_w/2, 0]) LidSide();
}
module PegProfile(){
[-peg_engage_depth, (peg_inner_dia + peg_inner_slop)/2]]);
}
-module Peg(){
+module Peg(){ ////toplevel
rotate_extrude($fn=50)
rotate([0,0,-90])
PegProfile();
}
module Demo(){
- translate([0, -lid_inner_w/2, 0]) LidSide();
+ Lid();
translate([0,0, thinbox_front_z])
rotate([0,180,0]) translate([0, -patbox_side/2, 0])
rotate([0,0,90]) union(){
//Peg();
//TopPattressBox();
//RailProfile();
-Demo();
+//Demo();
+//Lid();