Bedside dish

dish.js

// All units inches

function form(length, width, height, thickness) {
  return union([
      cube({size: [length, thickness, height]}),
      cube({size: [length, thickness, height]})
        .translate([0, width - thickness, 0]),
      cube({size: [thickness, width, height]}),
      cube({size: [thickness, width, height]})
        .translate([length - thickness, 0, 0])
  ]);
}

function innerDish(length, width, height, depth, thickness) {
    var topPoint = [width/2, width/2, height-depth];
    var bottomPoint = [width/2, length - width/2, height-depth];
    
    let rotateNudge = 21;
    let translateNudge = 0.0735;
    let preRotateNudge = 0.073;

    let m = width/2 - 2*thickness;
    let l = sqrt(depth*depth + m*m)
    let phi = atan(depth / m) - rotateNudge;
    
    console.log([m, l, phi]);
    
    var p1 = rotate(
        [-phi, 0, 0],
        linear_extrude(
            {
                height: thickness
            },
            polygon([
                [0, 0],
                [length - thickness, 0],
                [length - thickness, l],
                [0, l]
            ])
        ).translate([0, preRotateNudge, 0])
    ).translate([thickness, 0, height - translateNudge]);

    var p2 = rotate(
        [phi, 0, 0],
        mirror(
            [0, 1, 0],
            linear_extrude(
                {
                    height: thickness
                },
                polygon([
                    [0, 0],
                    [length - thickness, 0],
                    [length - thickness, l],
                    [0, l]
                ])
            ).translate([0, preRotateNudge, 0])
        )
    ).translate([thickness, width, height - translateNudge]);

    return union([p1, p2]);
}

function main() {
    var length = 4;
    var width = 1.5;
    
    var height = 1.5;
    var depth = 0.6;
    
    var thickness = 0.125;
    
    return union([
        form(length, width, height, thickness),
        innerDish(length, width, height, depth, thickness)
    ]);
}