// PRUSA iteration4
// Y holder rear
// GNU GPL v3
// Josef Průša <iam@josefprusa.cz> and contributors
// http://www.reprap.org/wiki/Prusa_Mendel
// http://prusamendel.org

module ziptie_round_edge()
{
    difference()
    {
        translate([0,0,0]) rotate([90,0,0]) cylinder( h=3, r=4, $fn=30 );  
        translate([0,1,0]) rotate([90,0,0]) cylinder( h=5, r=2, $fn=30 );  
        translate([-10,-4,0]) cube([20,5,5]);
        translate([-20,-4,-13]) cube([20,5,20]);
    }
}


    
module part()
{
    difference()
    {

    // body block
    translate([-13,0,-2]) cube([26,10,14]);

    // y-axis cut
    translate([0,11,10.5]) rotate([90,0,0]) cylinder( h=14, r=4, $fn=30 );
    translate([0,11,10.5]) rotate([90,0,0]) cylinder( h=2, r1=4.5, r2=4, $fn=30 );
    translate([0,1,10.5]) rotate([90,0,0]) cylinder( h=2, r1=4, r2=4.5, $fn=30 );
    translate([-7,-1,14.5]) rotate([0,45,0]) cube([10,20,10]);

    // screw holes
    translate([-5.5,11,3.5]) rotate([90,0,0]) cylinder( h=20, r=1.7, $fn=30 );
    translate([5.5,11,3.5]) rotate([90,0,0]) cylinder( h=20, r=1.7, $fn=30 );
    translate([-5.5,1,3.5]) rotate([90,0,0]) cylinder( h=2, r=1.7, r2=3,$fn=30 );
    translate([5.5,1,3.5]) rotate([90,0,0]) cylinder( h=2, r=1.7, r2=3, $fn=30 );

    // ziptie
    translate([7.8,8,9]) ziptie_round_edge();
    translate([-7.8,5,9]) rotate([0,0,180]) ziptie_round_edge();
    translate([-8.1,5,5]) cube([16.2,3,2]);
    translate([0.8,5,24.5]) rotate([0,60,0]) cube([20,3,2]);
    translate([-1.8,5,26.5]) rotate([0,120,0]) cube([20,3,2]);

    // nuts
    translate([-8.2,2,-3.4]) cube([5.6,2.1,10]);
    translate([2.8,2,-3.4]) cube([5.6,2.1,10]);

    // upper corners
    translate([4,-1,20]) rotate([0,60,0]) cube([20,30,20]);
    translate([-21.2,-1,30]) rotate([0,120,0]) cube([20,30,20]);
    translate([-20,15,-9]) rotate([50,0,0]) cube([40,10,10]);
    
    }
}

rotate([90,0,0]) part();