clipthick = 2;
clipang = 135;
-stemlen = 40;
+$stemlen = 40;
topwidth = 20;
hookwidth = 4;
tuberad = tubewidth/2;
-bend = atan(tuberad/stemlen);
mainoutrad = tuberad + mainthick;
hookoutrad = hookinrad + hookwidth;
-hookcy = -(stemlen - hookoutrad);
+$hookcy = -($stemlen - hookoutrad);
-eltop = [topwidth/2, -tuberad + tubeheight + mainthick + 0.1];
-elmid = [topwidth/2, -tuberad];
-ellow = tangent_intersect_b([0,hookcy], hookinrad, elmid);
-ellowextra = 180 - tangent_intersect_beta([0,hookcy], hookinrad, elmid);
+$eltop = [topwidth/2, -tuberad + tubeheight + mainthick + 0.1];
+$elmid = [topwidth/2, -tuberad];
+$ellow = tangent_intersect_b([0,$hookcy], hookinrad, $elmid);
+$ellowextra = 180 - tangent_intersect_beta([0,$hookcy], hookinrad, $elmid);
+
+$bend = 0;
+
+module Howly(acrossly_x, frontbackly_x){
+ if (acrossly_x >= 0) {
+ translate([acrossly_x,0,0])
+ assign($bend = atan(tuberad/$stemlen),
+ $frontbackly = 0)
+ child();
+ }
+ if (frontbackly_x >= 0) {
+ translate([frontbackly_x,0,0])
+ assign($bend = 0,
+ $frontbackly = 1)
+ child();
+ }
+}
module Plan(){
dy = tubeheight - tuberad*2;
FArcSegment(0, dy, tuberad, mainoutrad, -1, 181);
- FArcSegment(0, 0, tuberad, mainoutrad, -bend, bend+1);
+ FArcSegment(0, 0, tuberad, mainoutrad, -$bend, $bend+1);
translate([tuberad, 0]) square(center=false, size=[mainthick,dy]);
FArcSegment(0, 0, tuberad, tuberad + clipthick, 360-clipang, clipang+1);
- rotate(-bend) translate([tuberad, 0]) mirror([0,1])
- square(center=false, size=[mainthick, stemlen/cos(bend)]);
+ rotate(-$bend) translate([tuberad, 0]) mirror([0,1])
+ square(center=false, size=[mainthick, $stemlen/cos($bend)]);
}
module ElevationCore(){
- FArcSegment(0, hookcy, hookinrad, hookoutrad,
- 180 - ellowextra,
- 90 + hookcurl + ellowextra);
+ FArcSegment(0, $hookcy, hookinrad, hookoutrad,
+ 180 - $ellowextra,
+ 90 + hookcurl + $ellowextra);
translate([-hookoutrad*sqrt(0.5),
- hookcy - hookoutrad*sqrt(0.5) + 0.1])
+ $hookcy - hookoutrad*sqrt(0.5) + 0.1])
mirror([1,0])
- square(center=false, size=[topwidth, stemlen + tubeheight + 20]);
- polygon([[-hookoutrad, ellow[1]],
- reflect_in_y(eltop),
- eltop,
- elmid,
- ellow]);
+ square(center=false, size=[topwidth, $stemlen + tubeheight + 20]);
+ polygon([[-hookoutrad, $ellow[1]],
+ reflect_in_y($eltop),
+ $eltop,
+ $elmid,
+ $ellow]);
}
// after here is all 3D
translate([-100,-100,0]) cube(center=false,size=[200,200,200]);
}
-taperangle = -270 + tangent_intersect_beta([-hookcy, 0],
+taperangle = -270 + tangent_intersect_beta([-$hookcy, 0],
hookoutrad,
- [-eltop[1], -eltop[0]]);
+ [-$eltop[1], -$eltop[0]]);
module Hook(){ ////toplevel
difference(){
rotate([taperangle,0,0])
- translate([0,-eltop[1],0])
+ translate([0,-$eltop[1],0])
Primary();
translate([0,0,topwidth/2])
rotate([taperangle*2,0,0])
mirror([1,0,0]) Hook();
}
-//ElevationCore();
-RightHook();
+module Bothly() {
+ Acrossly() child(0);
+ translate([70,0,0]) Frontbackly() child(0);
+}
+
+Howly(0,70) {
+ Plan();
+ //ElevationCore();
+ //RightHook();
+}