$fn = 64;

// --- Parameters ---
cable_diameter = 6.5;    // Diameter of the cable to hold
slot_width = 4.0;        // Width of the snap-fit opening
blade_length = 80;       // Length of the sword blade
blade_width = 24;        // Width of the sword blade
blade_thickness = 8;     // Thickness of the blade

guard_length = 8;        // Length of the crossguard (along sword axis)
guard_width = 45;        // Width of the crossguard
guard_thickness = 10;    // Thickness of the crossguard

handle_length = 35;      // Length of the grip
handle_width = 12;       // Width of the grip
handle_thickness = 8;    // Thickness of the grip

pommel_diameter = 18;    // Diameter of the pommel at the base
pommel_thickness = 10;   // Thickness of the pommel

// --- Modules ---
module sword_base() {
    // Pommel
    translate([-handle_length, 0, 0])
        cylinder(h=pommel_thickness, d=pommel_diameter);

    // Handle (penetrates guard slightly for a manifold union)
    translate([-handle_length, -handle_width/2, 0])
        cube([handle_length, handle_width, handle_thickness]);

    // Crossguard
    translate([-guard_length/2, -guard_width/2, 0])
        cube([guard_length, guard_width, guard_thickness]);
}

module blade_2d() {
    // Main rectangular section of the blade
    translate([guard_length/2, -blade_width/2])
        square([blade_length - blade_width/2, blade_width]);
    
    // Pointy tip of the sword
    translate([guard_length/2 + blade_length - blade_width/2, -blade_width/2])
        polygon([
            [0, 0], 
            [blade_width/2, blade_width/2], 
            [0, blade_width]
        ]);
}

module clip_cutout_2d() {
    // Position the clip in the middle of the blade
    clip_x = guard_length/2 + blade_length * 0.45;
    clip_y = -3; // Offset downwards to leave a strong solid spine
    
    translate([clip_x, clip_y]) {
        // Main circular cutout for the cable
        circle(d=cable_diameter);
        
        // Slot leading to the top edge
        translate([-slot_width/2, 0])
            square([slot_width, blade_width]);
    }
    
    // Flared entry at the top edge for easier cable insertion
    translate([clip_x, blade_width/2]) {
        polygon([
            [-slot_width/2, -2], 
            [slot_width/2, -2], 
            [slot_width*1.5, 1], 
            [-slot_width*1.5, 1]
        ]);
    }
}

// --- Main Assembly ---
// Designed to print flat on the bed (Z=0) without supports
union() {
    sword_base();
    
    // Extrude the 2D blade profile with the subtracted clip geometry
    linear_extrude(height=blade_thickness) {
        difference() {
            blade_2d();
            clip_cutout_2d();
        }
    }
}