open_gap = 10;
hinge_unit = 10;
-uhinge_z_gap = 1;
+hinge_z_gap = 1;
-// calculated
+hinge_units = 4;
+
+// ---------- vhook ----------
+
+vhook_th = 14;
+
+// ---------- hhook ----------
+
+hhook_inside = 40;
+hhook_th = 4;
+hhook_l = 40;
+
+// ========== calculated ==========
pin_dia = th;
hole_dia = th + pin_gap;
+main_r = tube_dia/2 + th;
+
hinge_gap = pin_gap;
hinge_o_r = 0.5 * hole_dia + th;
pin_flatten = pin_dia/2 * (1 - cos(45));
+// calculated - vhook
+
+vhook_inside = 15;
+
+vhook_theta = atan2( smooth_r, main_r );
+
+vhook_y0 = -max(main_r, (tube_dia/2 + vhook_th));
+vhook_ctr = vhook_y0 - vhook_inside/2;
+vhook_outer_dia = vhook_inside + vhook_th*2;
+
+// calculated - hhook
+
+hhook_outer_dia = hhook_inside + hhook_th*2;
+
+hhook_ctr = -max(main_r + hhook_inside/2,
+ tube_dia/2 + hhook_outer_dia/2);
+
$fa = 3;
$fs = 0.1;
}
module TubePlan(){ circle(r = tube_dia/2); }
-module MainCirclePlan(){ circle(r = tube_dia/2 + th); }
+module MainCirclePlan(){ circle(r = main_r); }
module PlanWeldMainCircle(){
intersection(){
}
}
-module GeneralPlanDemo(){ ////toplevel
- MainPlan();
- translate([0,0,-4]) color("red") Portion(1);
- translate([0,0,-2]) color("grey") Portion(0);
+// ---------- vhook ----------
- translate([0, tube_dia*1.5]) {
- MainPlanB();
- MainPlanA();
+module VHookProfile() {
+ translate([0, -vhook_inside/2 - vhook_th/2])
+ circle(r = vhook_th/2);
+}
+
+module VHookHookMain(outer=false){ ////toplevel
+ rotate([0,90,0])
+ rotate_extrude(convexity=10)
+ rotate([0,0,90])
+ hull(){
+ VHookProfile();
+ if (outer) {
+ translate([0,-vhook_outer_dia]) square(center=true, vhook_th);
+ }
+ }
+}
+
+module VHookPartA(){ ////toplevel
+ DummyA();
+
+ translate([0, vhook_ctr, 0]){
+ for (m=[0,1]) {
+ mirror([0, m, 0]) {
+ linextr(-0.1, vhook_outer_dia/2)
+ VHookProfile();
+ translate([0, -vhook_inside/2 -vhook_th/2, vhook_outer_dia/2])
+ sphere(r= vhook_th/2);
+ }
+ }
+
+ intersection(){
+ VHookHookMain(outer=true);
+ linextr_y_xz(0, vhook_outer_dia/2) hull(){
+ VHookProfile();
+ translate([0,-0.1]) square(center=true, [vhook_th, 0.2]);
+ }
+ }
+
+ intersection(){
+ VHookHookMain();
+ translate([0,0, -vhook_outer_dia])
+ cube(center=true, vhook_outer_dia*2);
+ }
}
-// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
+
+ //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(){
+ MainPlanA();
+ translate([0, vhook_ctr, 5])
+ for (m=[0,1]) {
+ mirror([0,m])
+ color("blue") VHookProfile();
+ }
+}
+
+// ---------- hhook ----------
+
+module HHookHookPlan(){
+ translate([0, hhook_ctr]){
+ difference(){
+ circle(r = hhook_outer_dia/2);
+ circle(r = hhook_inside/2);
+ rectfromto([+hhook_outer_dia, -hhook_outer_dia],
+ [0, +hhook_outer_dia]);
+ }
+ translate([0, -(hhook_inside/2 + hhook_th/2)]){
+ hull(){
+ for (x=[-0.1, hhook_l]) {
+ translate([x,0]) square(center=true, hhook_th);
+ }
+ }
+ }
+ }
+}
+
+module HHookPartA(){ ////toplevel
+ DummyA();
+ linextr(min_z, max_z) {
+ HHookHookPlan();
+ }
+}
+
+module HHookPlanDemo(){
+ MainPlanA();
+ HHookHookPlan();
+}
+
+// ---------- misc ----------
+
module GeneralB(){ ////toplevel
HalfClampX(true);
}
HalfClampX();
}
+module PlanDemo(){ ////toplevel
+ MainPlan();
+ translate([0,0,-4]) color("red") Portion(1);
+ translate([0,0,-2]) color("grey") Portion(0);
+
+ translate([0, tube_dia*1.5]) {
+ MainPlanB();
+ MainPlanA();
+ }
+
+ translate([0, -tube_dia*1.5]) {
+ VHookPlanDemo();
+ }
+ translate([tube_dia*4, 0]) {
+ HHookPlanDemo();
+ }
+// translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
+}
+
module Demo(){ ////toplevel
color("red") rotate([180,0,0]) GeneralB();
color("blue") DummyA();