$fn = 40;
height = 5;
//hinge();
//end();
//plate();
clamp();
module clamp(){
difference(){
    union(){
    hull(){
        cylinder(d=10,h=20);
        translate([-8,-5,10])rotate([-90,0,0])cylinder(d=8,h=10);
    }
        translate([0,-6.5,5])rotate([-90,0,0])cylinder(d=5,h=13);
    translate([0,-6.5,15])rotate([-90,0,0])cylinder(d=5,h=13);
}
    cylinder(d=5,h=22);
    translate([-8,-6,10])rotate([-90,0,0])cylinder(d=3,h=12);
    translate([-8,-3,10])rotate([-90,45,0])cutout();
    translate([-8,-3,10])rotate([-90,-45,0])cutout();
    translate([0,-6.5,5])rotate([-90,0,0])cylinder(d=2.5,h=13);
    translate([0,-6.5,15])rotate([-90,0,0])cylinder(d=2.5,h=13);
}
}

module cutout(){
union(){
cylinder(d=10,h=6);
translate([-10,-5,0])cube([10,10,6]);
}
}
module plate() {
  difference() {
    union() {
      hull() {
        translate([0, 0, 0])cylinder(d = 20, h = height);
        translate([0, 20, 0])cylinder(d = 20, h = height);

        translate([50, 0, 0])cylinder(d = 20, h = height);
        translate([50, 20, 0])cylinder(d = 20, h = height);

        translate([25, 40, 0])cylinder(d = 20, h = height);
        translate([25, 60, 0])cylinder(d = 20, h = height);
      }


    }
    translate([0, 0, -0.01])cylinder(d = 4.5, h = height + 0.02);
    translate([0, 20, -0.010])cylinder(d = 4.5, h = height + 0.02);
    translate([50, 0, -0.01])cylinder(d = 4.5, h = height + 0.02);
    translate([50, 20, -0.010])cylinder(d = 4.5, h = height + 0.02);
    translate([25, 40, -0.01])cylinder(d = 4.5, h = height + 0.02);
    translate([25, 60, -0.010])cylinder(d = 4.5, h = height + 0.02);
    // mounting holes
    translate([15, 10, 0])cylinder(d = 5, h = height + 0.01);
    translate([35, 10, 0])cylinder(d = 5, h = height + 0.01);
    translate([15, 30, 0])cylinder(d = 5, h = height + 0.01);
    translate([35, 30, 0])cylinder(d = 5, h = height + 0.01);
    translate([15, 10, 2])cylinder(d = 10, h = height + 0.01);
    translate([35, 10, 2])cylinder(d = 10, h = height + 0.01);
    translate([15, 30, 2])cylinder(d = 10, h = height + 0.01);
    translate([35, 30, 2])cylinder(d = 10, h = height + 0.01);
    // central shaft bearing
    translate([25, 20, 0])cylinder(d = 11, h = height + 0.01);
    // toy motor
    translate([25 + 17.5 / 2, -1, 0])cylinder(d = 3, h = height + 0.01);
    translate([25 - 17.5 / 2, -1, 0])cylinder(d = 3, h = height + 0.01);
    translate([25, 8, 0])cylinder(d = 4.3, h = height + 0.01);
    translate([25, 33, 0])cylinder(d = 3, h = height + 0.01);
    // profile
    translate([25, 0, 0])cylinder(d = 5, h = height + 0.01);

  }
}

module hinge() {
  difference() {
    hull() {
      cylinder(d = 20, h = 3);
      translate([20, 0, 0])cylinder(d = 20, h = 3);
      translate([10, -10, 12])rotate([-90, 0, 0])cylinder(d = 10, h = 20);
    }

    cylinder(d = 5.5, h = 20);
    translate([20, 0, 0])cylinder(d = 5.5, h = 20);
    hull() {
      translate([0, 0, 3])cylinder(d = 10, h = 20);
      translate([20, 0, 3])cylinder(d = 10, h = 20);
    }
    translate([10, -10, 12])rotate([-90, 0, 0])cylinder(d = 4.5, h = 20);
  }
}

module end() {
  difference() {
    hull() {
      cylinder(d = 10, h = 9.5);
      translate([0, 0, 4.75])rotate([0, 90, 0])cylinder(d = 8, h = 15);
    }
    cylinder(d = 5, h = 10);
    translate([4, 0, 4.75])rotate([0, 90, 0])cylinder(d = 5, h = 15);
  }
}