$fn=64;

// --- Parameters ---
staff_height = 200;       // Total height of the staff shaft
staff_radius = 12;        // Radius of the main shaft
base_radius = 20;         // Radius of the flared bottom base
cable_diameter = 6;       // Diameter of the cable channel
cable_opening = 3.5;      // Width of the snap-fit slot for the cable
crystal_radius = 18;      // Radius of the magic crystal at the top
crystal_height = 60;      // Total height of the top crystal
ring_spacing = 40;        // Spacing between decorative grip rings

module wizard_staff() {
    union() {
        difference() {
            // Main Body (Shaft + Base + Rings)
            union() {
                // Central shaft
                cylinder(h=staff_height, r=staff_radius);
                
                // Flared base for stability and aesthetics
                cylinder(h=25, r1=base_radius, r2=staff_radius);
                
                // Decorative grip rings
                for(z = [40 : ring_spacing : staff_height - 20]) {
                    translate([0, 0, z])
                        rotate_extrude()
                        translate([staff_radius, 0, 0])
                        circle(r=2.5);
                }
                
                // Crystal holder prongs
                // Positioned at 45-degree angles to avoid the cable channel
                for(i = [45 : 90 : 315]) {
                    rotate([0, 0, i])
                    translate([staff_radius - 2.5, 0, staff_height - 10])
                    rotate([0, 20, 0])
                    cylinder(h=35, r1=3, r2=1);
                }
            }
            
            // --- Cable Management Cutouts ---
            
            // Vertical cable channel running the entire length
            channel_offset = staff_radius - cable_diameter/2;
            translate([channel_offset, 0, -1]) {
                // The circular hollow for the cable
                cylinder(h=staff_height + 2, d=cable_diameter);
                
                // The snap-fit opening slot extending to the outside
                translate([0, -cable_opening/2, 0])
                    cube([base_radius * 2, cable_opening, staff_height + 2]);
            }
            
            // Hollow out the top center (for an LED or cable termination)
            translate([0, 0, staff_height - 10])
                cylinder(h=12, r=staff_radius - 4);
                
            // Internal routing hole connecting the vertical channel to the center hollow
            translate([0, 0, staff_height - 8])
                rotate([0, 90, 0])
                cylinder(h=staff_radius + 2, d=cable_diameter);
        }
        
        // --- Magic Crystal ---
        // Intersects with the prongs, 6-sided for easy 3D printing without supports
        translate([0, 0, staff_height + crystal_height/2 + 2]) {
            // Top half of the crystal
            cylinder(h=crystal_height/2, r1=crystal_radius, r2=0, $fn=6);
            
            // Bottom half of the crystal
            rotate([180, 0, 0])
                cylinder(h=crystal_height/2, r1=crystal_radius, r2=0, $fn=6);
        }
    }
}

// Render the model
wizard_staff();