$fn=64;

// --- Parameters ---
hub_length = 105;           // Length of the USB hub (inner tray dimension)
hub_width = 45;             // Width of the USB hub (inner tray dimension)
riser_height = 50;          // Height of the riser platform
hex_radius = 35;            // Radius of the hexagonal base pillar
lip_height = 8;             // Height of the retaining lip around the tray
wall_thickness = 2;         // Thickness of the walls and tray floor
cable_cutout_width = 20;    // Width of the cable routing gaps

// --- Main Assembly ---
union() {
    // Hexagonal Pillar Base
    // Rotated by 30 degrees to align flat sides with the rectangular tray
    // Height is extended by 0.1mm to ensure a manifold union with the tray
    rotate([0, 0, 30])
        cylinder(h = riser_height + 0.1, r = hex_radius, $fn = 6);

    // Top Platform / Tray
    translate([0, 0, riser_height])
    difference() {
        // Outer Tray Body
        translate([-(hub_length + 2*wall_thickness)/2, -(hub_width + 2*wall_thickness)/2, 0])
            cube([hub_length + 2*wall_thickness, hub_width + 2*wall_thickness, wall_thickness + lip_height]);

        // Inner Cutout for Hub
        translate([-hub_length/2, -hub_width/2, wall_thickness])
            cube([hub_length, hub_width, lip_height + 1]);

        // Cable Cutout - Front
        translate([-cable_cutout_width/2, -(hub_width/2) - wall_thickness - 0.5, wall_thickness])
            cube([cable_cutout_width, wall_thickness + 1, lip_height + 1]);

        // Cable Cutout - Back
        translate([-cable_cutout_width/2, hub_width/2 - 0.5, wall_thickness])
            cube([cable_cutout_width, wall_thickness + 1, lip_height + 1]);

        // Cable Cutout - Left
        translate([-(hub_length/2) - wall_thickness - 0.5, -cable_cutout_width/2, wall_thickness])
            cube([wall_thickness + 1, cable_cutout_width, lip_height + 1]);

        // Cable Cutout - Right
        translate([hub_length/2 - 0.5, -cable_cutout_width/2, wall_thickness])
            cube([wall_thickness + 1, cable_cutout_width, lip_height + 1]);
    }
}