$fn = 50;

width = 160;
length = 90;
height = 18;

horiz_tolerance = 0.8;
vert_tolerance = 0.8;
edge_radius = 4;

charger_width = 145;
charger_length = 74;
charger_height = 15;

use <box.scad>

module charger() {
    cube([charger_width,charger_length,charger_height]);
}

module screwhole() {
    translate([0,0,-12]) cylinder(r=2, h=12);
}

module centerwasher() {
    translate([width/2, length/2, -0.2]) cylinder($fn=6, r=4, h=3);
}

module usb() {
    minkowski() {
        translate([0,50,3]) cube([17,100,8.8]);
        rotate([90,0,0]) cylinder(r=horiz_tolerance/2, h=horiz_tolerance/2);
    }
}

module roof2() {
    difference() {
        minkowski() {
            translate([edge_radius,edge_radius,0]) cube([width-edge_radius*2,length-edge_radius*2,height]);
            cylinder(r=edge_radius, h=0.2);
        }
        minkowski() {
            translate([width/2-charger_width/2, length/2-charger_length/2, height-charger_height-vert_tolerance+0.4]) charger();
            cylinder(r=horiz_tolerance/2,h=vert_tolerance);
        }
        screwhole_offset = 5;
        translate([screwhole_offset,screwhole_offset,height+0.4]) screwhole();
        translate([width-screwhole_offset,screwhole_offset,height+0.4]) screwhole();
        translate([screwhole_offset,length-screwhole_offset,height+0.4]) screwhole();
        translate([width-screwhole_offset,length-screwhole_offset,height+0.4]) screwhole();
        
        usb_offset = 28;
        translate([width/2-charger_width/2+charger_width-17-usb_offset, length/2-charger_length/2, height-charger_height-vert_tolerance+0.4]) usb();
        
        translate([0,-23,0]) centerwasher();
        translate([-23,5,0]) centerwasher();
        translate([23,5,0]) centerwasher();
    }
}

//rotate([30,0,0])
    roof2();

%difference() {
    angle = 30;
    mount_height = sin(angle)*length;
    rotate([angle,0,0]) translate([width*0.125,0,-mount_height]) cube([width*0.75,4,mount_height]);
    rotate([-angle,0,180]) translate([-width*0.25,0.4,-25]) mount();
    rotate([-angle,0,180]) translate([-width*0.75,0.4,-25]) mount();
}

module mount2() {
    thickness = 4;
    difference() {
        translate([width/2,length/2,-thickness]) cylinder(r=30, h=thickness);
        translate([0,-23,-thickness]) translate([width/2, length/2, -0.2]) cylinder($fn=50, r=2, h=4+0.4);
        translate([-23,5,-thickness]) translate([width/2, length/2, -0.2]) cylinder($fn=50, r=2, h=4+0.4);
        translate([23,5,-thickness]) translate([width/2, length/2, -0.2]) cylinder($fn=50, r=2, h=4+0.4);
    }
    difference() {
        translate([width/2,length/2-8,10]) rotate([210,0,0]) difference() {
            union() {
                cylinder(r=16, h=50, center=false);
                rotate([-210,0,0]) translate([0,8+6,-thickness-15-10]) cylinder(r1=14, r2=17, h=15);
            }
            cylinder(r=10, h=50+0.4, center=false);
        }
            translate([width/2,length/2,0]) cylinder(r=100, h=100);
    }
}
//%mount2();

module mount3(mount_height) {
    between = 130+4;
    side_offset = 6;
    length_mod = 0.8;
    difference() {
        cube([between+side_offset*2,length*length_mod,mount_height]);
        translate([side_offset*2,0,0]) cube([between-side_offset*2,length*length_mod,mount_height]);
        minkowski() {
            translate([side_offset,80,-vert_tolerance/2]) rail(100);
            cylinder(r=horiz_tolerance/2,h=vert_tolerance);
        }
        minkowski() {
        translate([between+side_offset,80,-vert_tolerance/2]) rail(100);
            cylinder(r=horiz_tolerance/2,h=vert_tolerance);
        }
    }
}

difference() {
    angle = 30;
    mount_height = sin(angle)*length;
rotate([angle,0,0]) translate([(width-(130+4+6*2))/2,0,-mount_height-6])  mount3(mount_height+6);
    translate([-20,-20,0.2]) cube([200,150,50]);
}