smooth_r = 15;
-bolt_dia = 5 + 0.75;
+bolt_dia = 5;
bolt_flat = 10 + 1;
nbolts = 2;
hinge_units = 4;
+bolt_gap = 1.0; // total, on both sides
+
// ---------- vhook ----------
vhook_th = 14;
+// ---------- cleat ----------
+
+cleat_frames = 10;
+cleat_curve_r = 200;
+cleat_horn_l = 60;
+cleat_horn_d_min = [8, 10];
+cleat_horn_d_max = [10, 12];
+cleat_height = 25;
+
// ---------- hhook ----------
hhook_inside = 40;
// ========== calculated ==========
+TAU = PI*2;
+
hole_dia = th + pin_gap;
+bolt_hole_r = (bolt_dia + bolt_gap)/2;
+
main_r = tube_dia/2 + th;
hinge_gap = pin_gap;
hinge_x = -0.5 * tube_dia - hinge_o_r;
bolt_x = 0.5 * tube_dia + th + bolt_flat * 0.5;
-max_x = bolt_x + max(0.5 + bolt_dia + th, 0.5 * bolt_flat/2);
+max_x = bolt_x + max(bolt_hole_r + th, 0.5 * bolt_flat/2);
flats_y = open_gap/2 + th;
translate([ bolt_x, 0, min_z + (j + 0.5) * bolt_stride ]) {
translate([0, -tube_dia/2, 0])
rotate([-90,0,0])
- cylinder(r= bolt_dia/2, h= tube_dia);
+ cylinder(r= bolt_hole_r, h= tube_dia);
translate([0, -flats_y, 0])
rotate([90,0,0])
cylinder(r= bolt_flat/2, h= tube_dia/2);
}
}
-module VHookPartA(){ ////toplevel
+module VHookA(){ ////toplevel
DummyA();
translate([0, vhook_ctr, 0]){
}
}
+// ---------- cleat ----------
+
+function cleat_frame_theta(s) = s * cleat_horn_l / cleat_curve_r * 360/TAU;
+function cleat_frame_z(s) = cleat_curve_r * (1 - cos(cleat_frame_theta(s)));
+function cleat_frame_x(s) = cleat_curve_r * sin(cleat_frame_theta(s));
+function cleat_frame_r(s) = ( cleat_horn_d_min * s +
+ cleat_horn_d_max * (1-s) ) * 0.5;
+
+module CleatFrame(s) {
+ r = cleat_frame_r(s);
+ translate([cleat_frame_x(s), 0, cleat_frame_z(s)])
+ rotate([0, 90, 0])
+ scale([1, r[1]/r[0]])
+ sphere(r= r[0]);
+}
+
+
+module CleatHorn(){
+ for (si=[0 : cleat_frames-2]) {
+ s0 = si / (cleat_frames-1);
+ s1 = (si+1) / (cleat_frames-1);
+ //hull(){
+ CleatFrame(s0);
+ CleatFrame(s1);
+ //}
+ }
+}
+
+module VCleatA(){ ////toplevel
+ %DummyA();
+
+ translate([0, -(main_r + cleat_height), 0]) {
+ rotate([0, -90, 90]) {
+ for (m=[0,1]) {
+ mirror([m,0,0])
+ CleatHorn();
+ }
+ }
+ }
+}
+
// ---------- hhook ----------
module HHookHookPlan(){
}
}
-module HHookPartA(){ ////toplevel
+module HHookA(){ ////toplevel
DummyA();
linextr(min_z, max_z) {
HHookHookPlan();
// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
}
+module DemoA(){ DummyA(); }
+
module Demo(){ ////toplevel
color("red") rotate([180,0,0]) GeneralB();
- color("blue") DummyA();
+ color("blue") DemoA();
color("orange") translate([hinge_x, 0, min_z - hinge_z_gap])
rotate([0,0,180]) PinSitu();
}