tray.scad

// [  56.0,  4*62.0,  48.0,   0.6               ],  // WHAM 5.04 outer side large
// [  56.0,  2*62.0,  48.0,   0.6               ],  // WHAM 5.04 outer side small
// [  56.5,  63.5,  48.0,   0.6               ],  // WHAM 5.04 inner
// [  56.5,  62.5,  48.0,   0.6,  [0.125, 0.5, 0.25, 0.125]            ],  // WHAM 5.04 outer

$fs = 0.1;



module fillet(r) {
    offset(r) offset(-r) offset(-r) offset(r)
        children();
}


module solidify() {
    linear_extrude(height=0.00000001)
        children();
}



module round_rect(size, radius) {
    fillet(radius) square(size, center=true);
}


module skin(size, height, radius, thickness, nest, inner=false) {
    offz = (thickness * 2);
    offs = [offz + 0.1, offz + 0.1];
    size = inner ? size - [offz, offz] : size;
    radius = inner ? max(radius - thickness, 0) : radius;
    hull() {
        translate([0, 0, inner ? thickness : 0]) solidify() round_rect(size-offs - (inner ? [nest-thickness, nest-thickness] : [0, 0])*2, radius);
        translate([0, 0, nest]) solidify() round_rect(size-offs, radius);
    }
    hull() {
        translate([0, 0, nest-0.001]) solidify() round_rect(size-offs, radius);
        translate([0, 0, height-nest+0.001]) solidify() round_rect(size, radius);        
    }
    hull() {
        translate([0, 0, height-nest]) solidify() round_rect(size, radius);
        translate([0, 0, height + (inner? 0.001 : 0)]) solidify() round_rect(size, radius);        
    }
}


module tray(size, height, radius, thickness, nest, divs) {
    
    difference() {
        skin(size, height, radius, thickness, nest);
        skin(size, height, radius, thickness, nest, inner=true);
    }
    // inner walls
    intersection() {
        skin(size, height, radius, thickness, nest);
        union() {
            cube([100, thickness, (height-nest)*2], center=true);
            cube([thickness, 100, (height-nest)*2], center=true);
        }
        
    }
}



intersection() {
    tray([56.5, 62.5], 6, 1, 0.8, 1, [1, 2]);
    //cube(100);
}