$fn = 64;

// --- Parameters ---
cable_dia = 6.5;       // Diameter of the cable (standard USB/power)
cable_gap = 3.5;       // Opening width to snap cable in
num_slots = 4;         // Number of cable slots
slot_spacing = 16;     // Distance between slots

blade_length = 95;
blade_width = 26;
blade_thickness = 12;

guard_width = 46;
guard_length = 12;
guard_thickness = 14;

grip_length = 30;
grip_dia = 14;

pommel_dia = 18;

// --- Modules ---
module sword_base() {
    // Blade (Diamond cross-section)
    hull() {
        // Center ridge (thick)
        translate([0, 0, 0]) cube([0.1, 2, blade_thickness], center=true);
        translate([blade_length-25, 0, 0]) cube([0.1, 2, blade_thickness], center=true);
        // Edges (thin)
        translate([0, 0, 0]) cube([0.1, blade_width, 2], center=true);
        translate([blade_length-25, 0, 0]) cube([0.1, blade_width, 2], center=true);
        // Tip
        translate([blade_length, 0, 0]) cube([0.1, 2, 2], center=true);
    }

    // Crossguard
    hull() {
        translate([0, 0, 0]) cube([guard_length, guard_width, 4], center=true);
        translate([0, 0, 0]) cube([guard_length/2, guard_width, guard_thickness], center=true);
        translate([0, guard_width/2 - 3, 0]) sphere(d=guard_thickness*0.8);
        translate([0, -guard_width/2 + 3, 0]) sphere(d=guard_thickness*0.8);
    }

    // Grip (Extended slightly to ensure manifold overlap)
    translate([-guard_length/2 - grip_length/2, 0, 0])
        rotate([0, 90, 0])
        cylinder(h=grip_length + 2, d=grip_dia, center=true);

    // Pommel
    translate([-guard_length/2 - grip_length, 0, 0])
        scale([1, 1.2, 1])
        sphere(d=pommel_dia);
}

module cable_clips() {
    for(i = [1 : num_slots]) {
        x_pos = 12 + (i-1) * slot_spacing;
        y_pos = blade_width/2 - 2.5;

        translate([x_pos, y_pos, 0]) {
            // Main cable retaining hole
            cylinder(h=blade_thickness + 10, d=cable_dia, center=true);
            
            // Flared opening for snap-fit insertion
            hull() {
                translate([0, 2, 0])
                    cube([cable_gap, 0.1, blade_thickness + 10], center=true);
                translate([0, 10, 0])
                    cube([cable_gap + 2.5, 0.1, blade_thickness + 10], center=true);
            }
        }
    }
}

// --- Main Assembly ---
difference() {
    // 1. Base sword shape
    sword_base();

    // 2. Flatten the bottom perfectly for 3D printing desk adhesion
    translate([0, 0, -50])
        cube([300, 150, 100], center=true);

    // 3. Subtract the cable holding slots
    cable_clips();

    // 4. Decorative fuller (blood groove) on the blade
    translate([15, 0, blade_thickness/2])
        rotate([0, 90, 0])
        cylinder(h=blade_length-45, d=blade_thickness * 0.35);

    // 5. Decorative recessed diamond in the crossguard
    translate([0, 0, guard_thickness/2])
        rotate([0, 0, 45])
        cube([8, 8, 8], center=true);
}