$fn = 64;

// Parameters
height = 48;               // 4-unit height
outer_radius = 30;         // Versatile depth/width (radius to outer corner)
wall_thickness = 2.0;      // Thickness of the bin walls
bottom_thickness = 2.0;    // Thickness of the bin floor

module hex_bin() {
    difference() {
        // Main outer hexagonal body
        cylinder(h = height, r = outer_radius, $fn = 6);
        
        // Inner hollow cavity
        // Z-height is increased slightly to prevent manifold rendering artifacts (Z-fighting)
        translate([0, 0, bottom_thickness])
            cylinder(h = height - bottom_thickness + 1, r = outer_radius - wall_thickness, $fn = 6);
    }
}

hex_bin();