hinge_unit = 10;
hinge_z_gap = 1;
+hinge_units = 4;
+
+// vhook
+
+vhook_th = 10;
+
+
// calculated
pin_dia = th;
pin_flatten = pin_dia/2 * (1 - cos(45));
+// calculated - vhook
+
+vhook_inside = 15;
+
+vhook_theta = atan2( smooth_r, main_r );
+
+vhook_y0 = -cos(vhook_theta) * (main_r + smooth_r);
+vhook_ctr = vhook_y0 - vhook_inside/2;
+vhook_outer_dia = vhook_inside + vhook_th*2;
+
+
$fa = 3;
$fs = 0.1;
}
}
-module GeneralPlanDemo(){ ////toplevel
+module PlanDemo(){ ////toplevel
MainPlan();
translate([0,0,-4]) color("red") Portion(1);
translate([0,0,-2]) color("grey") Portion(0);
MainPlanB();
MainPlanA();
}
+
+ translate([0, -tube_dia*1.5]) {
+ VHookPlanDemo();
+ }
// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
}
+// ---------- vhook ----------
+
+module VHookPlan() {
+ PlanWeldMainCircle(){
+ rectfromto([ -vhook_th/2, 0 ],
+ [ +vhook_th/2, vhook_y0 ]);
+ }
+}
+
+module VHookProfile() {
+ translate([0, -vhook_inside/2 - vhook_th/2])
+ circle(r = vhook_th/2);
+}
+
+module VHookHookMain(){ ////toplevel
+ rotate([0,90,0])
+ rotate_extrude(convexity=10)
+ rotate([0,0,90])
+ VHookProfile();
+}
+
+module VHookPartA(){ ////toplevel
+ DummyA();
+ linextr(min_z, max_z)
+ VHookPlan();
+
+ translate([0, vhook_ctr, min_z + vhook_outer_dia/2]){
+ linextr(-0.1, vhook_outer_dia/2)
+ VHookProfile();
+ intersection(){
+ VHookHookMain();
+ translate([0,0, -vhook_outer_dia])
+ cube(center=true, vhook_outer_dia*2);
+ }
+ }
+
+ //translate([0, vhook_y0, 50]) rotate([0,0,-90]) color("black") cube(10);
+ // translate([0,0,-150]) rotate([0,0,180 + theta]) color("blue") cube(100);
+}
+
+module VHookPlanDemo(){
+ VHookPlan();
+ translate([0, vhook_ctr, 5])
+ for (m=[0,1]) {
+ mirror([0,m])
+ color("blue") VHookProfile();
+ }
+}
+
+// ---------- misc ----------
+
module GeneralB(){ ////toplevel
HalfClampX(true);
}
// -*- C -*-
-hinge_units = 4;
-
+//// toplevels-from:
include <scaffold-clamp-common.scad>
-
-vhook_th = 10;
-
-theta = atan2( smooth_r, main_r );
-
-vhook_inside = 15;
-
-// calculated
-
-vhook_y0 = -cos(theta) * (main_r + smooth_r);
-vhook_ctr = vhook_y0 - vhook_inside/2;
-vhook_outer_dia = vhook_inside + vhook_th*2;
-
-//echo(theta);
-
-module VHookPlan() {
- PlanWeldMainCircle(){
- rectfromto([ -vhook_th/2, 0 ],
- [ +vhook_th/2, vhook_y0 ]);
- }
-}
-
-module VHookProfile() {
- translate([0, -vhook_inside/2 - vhook_th/2])
- circle(r = vhook_th/2);
-}
-
-module PartB(){ ////toplevel
- GeneralB();
-}
-
-module VHookHookMain(){ ////toplevel
- rotate([0,90,0])
- rotate_extrude(convexity=10)
- rotate([0,0,90])
- VHookProfile();
-}
-
-module PartA(){ ////toplevel
- DummyA();
- linextr(min_z, max_z)
- VHookPlan();
-
- translate([0, vhook_ctr, min_z + vhook_outer_dia/2]){
- linextr(-0.1, vhook_outer_dia/2)
- VHookProfile();
- intersection(){
- VHookHookMain();
- translate([0,0, -vhook_outer_dia])
- cube(center=true, vhook_outer_dia*2);
- }
- }
-
- //translate([0, vhook_y0, 50]) rotate([0,0,-90]) color("black") cube(10);
- // translate([0,0,-150]) rotate([0,0,180 + theta]) color("blue") cube(100);
-}
-
-module PlanDemo(){ ////toplevel
- GeneralPlanDemo();
- translate([0, -tube_dia*1.5]) {
- VHookPlan();
- translate([0, vhook_ctr, 5])
- for (m=[0,1]) {
- mirror([0,m])
- color("blue") VHookProfile();
- }
- }
-}