+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([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 PinSitu(){ ////toplevel
+ difference(){
+ union(){
+ translate([0,0, -pin_head_th])
+ cylinder(r= pin_dia/2, h = total_z + pin_head_th + pin_tail);
+ mirror([0,0,1])
+ cylinder(r= hinge_o_r - pin_gap, h = pin_head_th);
+ }
+ translate([0,0, total_z + pin_tail/2])
+ rotate([0,90,0])
+ translate([0,0, -pin_dia])
+ cylinder(r= pin_hole_dia/2, h=pin_dia*2);
+ translate([pin_dia/2 * cos(45), -50, -pin_head_th*2])
+ cube([50,100, total_z*2]);
+ }
+}
+
+module Pin(){ ////toplevel
+ rotate([0,90,0]) {
+ PinSitu();