// -*- C -*-

$hinge_pin_dia = 0.795 + 0.35;
$hinge_main_dia = 4.0;
$hinge_inter_gap = 0.50;
$hinge_noncrit_gap = 1.0;

$fa = 3;
$fs = 0.05;

module HingePinPlan(){
  circle(r= $hinge_pin_dia/2);
}

module HingeProngPlan(behind){
  difference(){
    hull(){
      circle(r= $hinge_main_dia/2);
      polygon([[0,0],
	       [-$hinge_main_dia/2, -behind],
	       [+$hinge_main_dia/2, -behind]]);
    }
    HingePinPlan();
  }
}

module HingeGapPlan() {
  circle(r = $hinge_main_dia/2 + $hinge_inter_gap);
}

module PlanDemo(){
  HingeProngPlan(5);
  %HingeGapPlan();
}

PlanDemo();