back_gap = 12.5;
main_th = 3.50;
-tube_th = 4.00;
+tube_th = 5.00;
midweb_d = 3;
clip_th = 3.5;
divide_head_dx = 1.75;
divide_head_th = 1.5;
divide_gap = 0.50;
-divide_heads = 2;
divide_angle = 26;
divide_fudge_r = 4.75;
-divide_around = 3.5;
backflange_angle = 20;
}
}
-module DividePlan(xl=10){
- w = divide_shaft_w;
- g = divide_gap;
- l = divide_shaft_l + g;
- t = divide_head_th + g;
- dx = divide_head_dx;
- for (m=[0,1]) mirror([m,0]) {
- translate([w, 0]) square([xl, g]);
- for (i=[0:divide_heads-1]) {
- translate([w, i*(l + t)]) {
- translate([0, 0]) square([g, l + g]);
- translate([0, l]) square([divide_head_dx + g, g]);
- translate([dx, l]) square([g, t + g]);
- translate([0, l + t])
- square([divide_head_dx + g, g]);
- }
- }
- translate([-0.1, (l + t) * divide_heads])
- square([w + g, g]);
- }
-}
-
-module DividePlanInPlace(xl=10){
- rotate([0,0, -divide_angle])
- translate([ -tube_dia/2 -tube_th/2 - divide_fudge_r, 0])
- DividePlan(xl);
-}
-
module DivideHook(){ ////toplevel
w = tube_th/2;
d = divide_gap;
module DivideCut(){
w = tube_th/2;
d = divide_gap;
+ br = tube_dia/2 + tube_th;
difference(){
offset(r=divide_gap) DivideHook();
}
}
-module DivideInPlace(){
- rotate([0,0, -divide_angle])
- translate([ -tube_dia/2 -tube_th/2, 0])
- children();
+module DivideCutB(){
+ w = tube_th/2;
+ d = divide_gap;
+ br = tube_dia/2 + tube_th;
+
+ intersection(){
+ translate([br - tube_th/2,0]) {
+ difference(){
+ circle(r=br + d);
+ circle(r=br);
+ }
+ }
+ translate([-2*w, 0]) mirror([0,1]) square(4*w);
+ }
}
module DivideSurround(){
}
}
+module DivideInPlace(){
+ rotate([0,0, -divide_angle])
+ translate([ -tube_dia/2 -tube_th/2, 0])
+ children();
+}
+
module MainPlan(){ ////toplevel
difference(){
union(){
circle(r = tube_dia/2);
DivideInPlace() DivideCut();
+ DivideInPlace() DivideCutB();
}
}
back_ohw + 0.25);
}
-module DividePlanDemo(){ ////toplevel
- DividePlan();
-}
-
module DivideDemo(){ ////toplevel
color("black") translate([0,0,-2]) MainPlan();
color("grey") DivideInPlace() DivideHook();