// PRUSA iteration3
// Z axis bottom holder
// GNU GPL v3
// Josef Průša <iam@josefprusa.cz> and contributors
// http://www.reprap.org/wiki/Prusa_Mendel
// http://prusamendel.org

module z_bottom_base(){
 translate([0,-1.5,0]) cube([8,49,16+25]); // plate touching the base
 translate([0,-5,0]) cube([30,4.01,22]); // plate touching the base
 translate([0,41.5,0]) cube([30,6.01,22]); // plate touching the base
 translate([0,-5,0]) cube([50,52.5,5]); // plate touching the base
}

module z_bottom_fancy(){
    // corner cutouts
    translate([0.5,-2.5,0]) rotate([0,0,-45-180]) translate([-15,0,-1]) cube([30,30,51]);
    translate([0.5,40-0.5+5,0]) rotate([0,0,-45+90]) translate([-15,0,-1]) cube([30,30,51]);
 
    translate([8,0,12+20+6]) rotate([0,-90,0]) translate([0,-5,0]) cube([30,50,30]);
    translate([20,-2,12+8]) rotate([45,0,0]) rotate([0,-90,0]) translate([0,-5,0]) cube([30,50,30]);
    translate([25,20,12+30]) rotate([-45,0,0]) rotate([0,-90,0]) translate([0,-5,0]) cube([30,50,30]);
    translate([50-2.5,-5+2.5+67,0]) rotate([0,0,-45-90]) translate([-15,0,-1]) cube([30,30,51]);
    translate([50-2.5,-5+2.5,0]) rotate([0,0,-45-90]) translate([-15,0,-1]) cube([30,30,51]);
 
    // Stiffner cut out
    translate([30,0,5.5]) rotate([0,-45,0]) translate([0,-5,0]) cube([30,60,30]);
}

module z_bottom_holes(){
    // Frame mounting screw holes
    translate([-1,10,10+5]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
    translate([-1,10+20,10+5]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);
    translate([-1,10+10,10+20+5]) rotate([0,90,0]) cylinder(h = 20, r=1.8, $fn=30);

    // Frame mounting screw head holes
    translate([4,10,10+5]) rotate([0,90,0]) cylinder(h = 20, r=3.1, $fn=30);
    translate([4,10+20,10+5]) rotate([0,90,0]) cylinder(h = 20, r=3.1, $fn=30);
    translate([4,10+10,10+20+5]) rotate([0,90,0]) cylinder(h = 20, r=3.1, $fn=30);
    translate([4,10+10-3.1,10+20+5]) cube([10,6.2,10]);

    // Z rod holder
    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 50, r=4.125, $fn=15);
    translate([25+4.3,3,-1]) rotate([0,0,0]) cylinder(h = 1.6, r1=5, r2=4.125, $fn=15);
    translate([25+4.3-1,3,0.6]) cube([2,10,7]); // it's bit up because it helps with printing

    // motor mounting
    translate([25+4.3,20,-1]){

    translate([15.5,15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
    translate([15.5,-15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
    translate([-15.5,15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);
    translate([-15.5,-15.5,-1]) cylinder(h = 20, r=1.8, $fn=30);

    translate([0,0,-1]) cylinder(h = 20, r=12, $fn=30);
 }

}

module z_bottom_right(){
    difference(){
        z_bottom_base();
        z_bottom_fancy();
        z_bottom_holes();
    }
}

module z_bottom_left(){
 translate([0,-13,0]) mirror([0,1,0]) 
    difference(){
        z_bottom_base();
        z_bottom_fancy();
        z_bottom_holes();
 }
}


z_bottom_right();
z_bottom_left();