lid_side_wall = 1.5;
peg_engage_depth = 1;
-peg_engage_dia = 6.0;
+peg_engage_dia = 6.5;
peg_main_dia = 9;
peg_max_dia = 15;
peg_inner_dia = 3.5;
peg_slope = 1;
lid_side_slop = 0.5;
+lid_rail_behindslop = 0.5;
// computed
lid_inner_kink = [thinbox_len, thinbox_len*2];
-lid_inner_w = patbox_side + lid_side_slop;
+lid_inner_w_nom = patbox_side;
+lid_inner_w = lid_inner_w_nom + lid_side_slop * 2;
-lid_rail_w = (lid_inner_w - lid_max_switches_w)/2 - lid_switches_y_slop;
+lid_seatline_w = (lid_inner_w - lid_max_switches_w)/2 - lid_switches_y_slop;
-lid_rail_h = lid_fatbox_switches_h;
+lid_seatline_h = lid_fatbox_switches_h;
-echo(lid_rail_w);
+echo(lid_seatline_w);
peg_main_height = peg_straight_len + (peg_max_dia - peg_main_dia)/2/peg_slope;
echo(peg_main_height);
+thinbox_front_z = lid_fatbox_switches_h + lid_fatbox_h - lid_thinbox_h;
+
module LidSideProfile(){
polygon([[-lid_top_wall, lid_inner_max_h],
[lid_inner_kink[0], lid_inner_max_h],
[-lid_top_wall, -lid_front_wall]]);
}
+module RailProfile(){
+ yt_base = thinbox_front_z;
+ yt = yt_base - lid_rail_behindslop;
+ pegx = (lid_inner_w_nom - patbox_centres)/2;
+
+ polygon([[-0.1, yt],
+ [pegx - peg_main_dia/2, yt],
+ [pegx - peg_main_dia/2, yt_base - peg_straight_len],
+ [-0.1,
+ yt_base - peg_straight_len - (pegx - peg_main_dia/2)/peg_slope
+ -0.1]]);
+}
+
module LidSide(){
overlap = [0.1, 0.1, 0.1];
linear_extrude(height= lid_side_wall)
LidSideProfile();
- // rail
+ // seatline
translate(-overlap)
- cube(overlap + [total_len, lid_rail_w, lid_rail_h]);
+ cube(overlap + [total_len, lid_seatline_w, lid_seatline_h]);
// lid front
translate([-0.1, -0.1, -lid_front_wall])
// lid top
translate([-lid_top_wall, -lid_side_wall, -lid_front_wall])
cube([lid_top_wall, lid_inner_w/2 + 10, lid_front_wall + lid_inner_max_h]);
+
+ // rail
+ rotate([90,0,90])
+ translate([0,0,-0.1])
+ linear_extrude(height=100.1) //todo
+ RailProfile();
}
module PegProfile(){
PegProfile();
}
+module AtFixingCentres(){
+ for (fc=[-1,+1]) {
+ translate([patbox_side/2 + fc*patbox_centres/2,
+ patbox_side/2,
+ 0])
+ children();
+ }
+}
+
+module TopPattressBox(){
+ difference(){
+ translate([0,0, -lid_thinbox_h])
+ cube([patbox_side, patbox_side, lid_thinbox_h]);
+ AtFixingCentres(){
+ translate([0,0,-10]) cylinder(r=peg_engage_dia/2, h=20);
+ }
+ }
+}
+
+module Demo(){
+ translate([0, -lid_inner_w/2, 0]) LidSide();
+ translate([0,0, thinbox_front_z])
+ rotate([0,180,0]) translate([0, -patbox_side/2, 0])
+ rotate([0,0,90]) union(){
+ %TopPattressBox();
+ color("blue") AtFixingCentres(){
+ rotate([180,0,0]) Peg();
+ }
+ }
+}
+
//LidSide();
//PegProfile();
-Peg();
+//Peg();
+//TopPattressBox();
+//RailProfile();
+Demo();