// Lego custom li-po battery box
// (work in progress, not printable and not usable by now)
// GPLv3, (c) Vitaliy Filippov, 2016

// 30x12x64 place for battery
$fn = 40;

term();
top();
color([0.5, 1, 0.5]) bottom();

module bottom() {
    union() {
        difference() {
            union() {
                translate([0, -48, -40]) cube(size=[16, 64, 32]);
                translate([0, -48+12, -6]) rotate([0, 90, 0]) cylinder(r=2, h=16); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
                translate([8, -48+12, -8]) cube(size=[16, 3.6, 3], center=true);
                translate([0, -48+32, -6]) rotate([0, 90, 0]) cylinder(r=2, h=16); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
                translate([8, -48+32, -8]) cube(size=[16, 3.6, 3], center=true);
                translate([0, -48+52, -6]) rotate([0, 90, 0]) cylinder(r=2, h=16); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
                translate([8, -48+52, -8]) cube(size=[16, 3.6, 3], center=true);
            }
            translate([2, -48+2, -40+4]) cube(size=[12, 60, 60]);
            translate([1.6, -48+1.6, -40-0.1]) cube(size=[12.8, 60.8, 2+0.1]);
        }
        translate([8, -48+8, -40]) cylinder(r=3.2);
        translate([8, -48+16, -40]) cylinder(r=3.2);
        translate([8, -48+24, -40]) cylinder(r=3.2);
        translate([8, -48+32, -40]) cylinder(r=3.2);
        translate([8, -48+40, -40]) cylinder(r=3.2);
        translate([8, -48+48, -40]) cylinder(r=3.2);
        translate([8, -48+56, -40]) cylinder(r=3.2);
    }
}

module top()
{
    difference() {
        translate([0, -48, -8]) cube(size=[16, 64, 8]);
        translate([2, -48+2, -8-0.1]) cube(size=[12, 60, 6+0.1]);

        translate([-1, -48+12, -6]) rotate([0, 90, 0]) cylinder(r=2, h=50); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
        translate([-1, -48+12, -8]) cube(size=[60, 3.6, 3], center=true);

        translate([-1, -48+32, -6]) rotate([0, 90, 0]) cylinder(r=2, h=50); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
        translate([-1, -48+32, -8]) cube(size=[60, 3.6, 3], center=true);

        translate([-1, -48+52, -6]) rotate([0, 90, 0]) cylinder(r=2, h=50); //rotate([45, 0, 0]) cube(size=[60, 3, 3], center=true);
        translate([-1, -48+52, -8]) cube(size=[60, 3.6, 3], center=true);
    }
}

module term()
{
    difference() {
        union() {
            translate([4, 1.3, -0.1]) cube(size=[8, 6.8, 2+0.1]);
            translate([(16-11.2)/2, 1.7, -0.1]) cube(size=[11.2, 6, 2+0.1]);
            translate([(16-11.2)/2, 1.7+3, -0.1]) scale([(13-11.2)/2/3, 1, 1]) cylinder(r=3, h=2+0.1);
            translate([16-(16-11.2)/2, 1.7+3, -0.1]) scale([(13-11.2)/2/3, 1, 1]) cylinder(r=3, h=2+0.1);
            translate([12, 12, 0]) cylinder(r=4.9/2, h=2);
            translate([4, 12, 0]) cylinder(r=4.9/2, h=2);
        }
        translate([(16-10.5)/2, 1.7+1.7, -0.1]) cube(size=[10.5, 3, 2.2]);
    }
    color([1, 0, 0]) translate([16-4-3.8-1.8, 6.3, 0]) cube(size=[1.8+3, 1.1, 2.1]);
    color([0, 0, 0]) translate([4+0.8, 2.4, 0]) cube(size=[1.8+3, 1.1, 2.1]);
}