$fn=64;

// Parameters
height = 12;            // 1-unit height for tiny components
outer_radius = 25;      // Outer circumradius of the hexagon
wall_thickness = 1.5;   // Thickness of the walls
floor_thickness = 1.5;  // Thickness of the base

// Calculate inner radius to maintain uniform wall thickness
inner_radius = outer_radius - (wall_thickness / cos(30));

difference() {
    // Main outer body
    cylinder(h=height, r=outer_radius, $fn=6);

    // Inner cavity (height + 1 to ensure clean manifold cut at the top)
    translate([0, 0, floor_thickness])
        cylinder(h=height + 1, r=inner_radius, $fn=6);
}