// Define module for generating concave part
module generate_concave_part(radius, width, depth) {
    difference() {
        cube([100, width, depth]); // Mold base
        hull() {
            translate([0, -width/2, -depth/2])
            cylinder(r=radius, h=depth);
            translate([0, width/2, -depth/2])
            cylinder(r=radius, h=depth);
        }
    }
}

// Define parameters
base_length = 100; // Length of the fingerboard
base_width = 32; // Width of the fingerboard
base_thickness = 5; // Thickness of the mold base
nose_angle = 25; // Angle of the nose
tail_angle = 23.5; // Angle of the tail
concave_radius = 1.3; // Radius of the concave part
concave_width = 32; // Width of the concave part
concave_depth = 2; // Depth of the concave part

// Generate mold base
mold_base = cube([base_length, base_width, base_thickness]);

// Generate concave part
nose_concave = generate_concave_part(concave_radius, concave_width, concave_depth);
tail_concave = generate_concave_part(concave_radius, concave_width, concave_depth);

// Position concave parts
// Position concave parts
nose_concave_positioned = translate([base_length, base_width/2, base_thickness]) nose_concave;
tail_concave_positioned = translate([0, base_width/2, base_thickness]) tail_concave;


// Assign concave parts without rotation
nose_concave_positioned = nose_concave_translated;
tail_concave_positioned = tail_concave_translated;

// Combine mold base and concave parts
fingerboard_mold = union() {
    mold_base,
    nose_concave_positioned,
    tail_concave_positioned
};

// Export STL file
filename = "fingerboard_mold.stl";
stl_write(fingerboard_mold, filename);