cleat_frames = 10;
cleat_curve_r = 200;
cleat_horn_l = 60;
-cleat_horn_d_min = 8;
-cleat_horn_d_max = 10;
+cleat_horn_d_min = [8, 10];
+cleat_horn_d_max = [10, 12];
+cleat_height = 25;
// ---------- hhook ----------
// ---------- 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) {
- translate([0,0, cleat_curve_r])
- rotate( s * cleat_horn_l / cleat_curve_r * 360/TAU * [0,1,0] )
- translate([0,0, -cleat_curve_r])
+ r = cleat_frame_r(s);
+ translate([cleat_frame_x(s), 0, cleat_frame_z(s)])
rotate([0, 90, 0])
- sphere(r= ( cleat_horn_d_min * s +
- cleat_horn_d_max * (1-s) ) * 0.5);
+ scale([1, r[1]/r[0]])
+ sphere(r= r[0]);
}
for (si=[0 : cleat_frames-2]) {
s0 = si / (cleat_frames-1);
s1 = (si+1) / (cleat_frames-1);
- hull(){
+ //hull(){
CleatFrame(s0);
CleatFrame(s1);
- }
+ //}
}
}
module VCleatA(){ ////toplevel
-// DummyA();
+ %DummyA();
- CleatHorn();
+ translate([0, -(main_r + cleat_height), 0]) {
+ rotate([0, -90, 90]) {
+ for (m=[0,1]) {
+ mirror([m,0,0])
+ CleatHorn();
+ }
+ }
+ }
}
// ---------- hhook ----------