bolt_dia = 5 + 0.75;
bolt_flat = 10 + 1;
+nbolts = 2;
+
open_gap = 10;
hinge_unit = 10;
hhook_th = 4;
hhook_l = 40;
-// ========== calculated ==========
+// ========== defaults ==========
+pin_head_th = th/2;
pin_dia = th;
+pin_hole_dia = pin_dia/2;
+pin_tail = pin_hole_dia + pin_head_th + hinge_z_gap*3;
+
+// ========== calculated ==========
+
hole_dia = th + pin_gap;
main_r = tube_dia/2 + th;
pin_flatten = pin_dia/2 * (1 - cos(45));
+bolt_stride = total_z / nbolts;
+
// calculated - vhook
vhook_inside = 15;
linextr(0, hinge_unit) MainPlanA(flatten);
}
}
- for (dz=[-1,+1]) {
- translate([ bolt_x, 0, dz * total_z/4 ]) {
+ for (j=[0:nbolts-1]) {
+ 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);
difference(){
circle(r = hhook_outer_dia/2);
circle(r = hhook_inside/2);
- rectfromto([-hhook_outer_dia, -hhook_outer_dia],
+ 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]) {
+ 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();
+ }
+}
+
module GeneralB(){ ////toplevel
HalfClampX(true);
}
module Demo(){ ////toplevel
color("red") rotate([180,0,0]) GeneralB();
color("blue") DummyA();
+ color("orange") translate([hinge_x, 0, min_z - hinge_z_gap])
+ rotate([0,0,180]) PinSitu();
}
//PlanDemo();