$fn = 64;

// --- PARAMETERS ---
num_wrenches = 14;      // 6mm to 19mm
start_size = 6;         // Smallest wrench size
slot_angle = 45;        // Angle of the slots (degrees)
base_width = 50;        // Depth of the organizer (Y axis)
base_height = 25;       // Height of the organizer (Z axis)
floor_thickness = 3;    // Thickness of the base floor under the wrenches

// Slot width ranges from ~3.5mm (for 6mm wrench) to ~8.0mm (for 19mm wrench)
function slot_width(i) = 3.5 + (i / (num_wrenches - 1)) * 4.5;

// X position of each slot (quadratic progression to accommodate larger wrench heads)
function x_pos(i) = 15 + (i * 10) + (i * i * 0.45);

total_length = x_pos(num_wrenches - 1) + 20;

// --- GEOMETRY ---
difference() {
    // Main base block
    cube([total_length, base_width, base_height]);

    for(i = [0 : num_wrenches - 1]) {
        
        // Wrench slot cutouts
        translate([x_pos(i), base_width / 2, floor_thickness])
            rotate([0, 0, slot_angle])
                translate([-slot_width(i) / 2, -base_width * 1.5, 0])
                    cube([slot_width(i), base_width * 3, base_height + 1]);

        // Wrench size labels (embossed into the front face)
        translate([x_pos(i), 1.5, base_height / 2 + 2])
            rotate([90, 0, 0])
                linear_extrude(2)
                    text(
                        str(start_size + i),
                        size = 6,
                        font = "Arial:style=Bold",
                        halign = "center",
                        valign = "center"
                    );
    }

    // Chamfer the top-front edge for better visibility of labels and easier insertion
    translate([-1, 0, base_height])
        rotate([45, 0, 0])
            cube([total_length + 2, 12, 12], center = true);
            
    // Chamfer the top-back edge for symmetry
    translate([-1, base_width, base_height])
        rotate([45, 0, 0])
            cube([total_length + 2, 12, 12], center = true);
}