$fn=64;

/* 
 * Hex-Compatible Tray for Keys and Small Items
 * Designed to tile cleanly with other hexagonal desk organizers.
 */

// --- Parameters ---
outer_radius = 50;        // Radius from center to outer corner (100mm wide corner-to-corner)
height = 25;              // Total height of the tray
wall_thickness = 2.5;     // Thickness of the outer walls
base_thickness = 2;       // Thickness of the bottom base

// --- Module ---
module hex_tray() {
    // Calculate inner radius to maintain uniform wall thickness
    // For a hexagon, the distance to the flat edge requires dividing by cos(30)
    inner_radius = outer_radius - (wall_thickness / cos(30));
    
    difference() {
        // Main outer body (hexagon)
        cylinder(h=height, r=outer_radius, $fn=6);
        
        // Hollow interior cutout
        // Height is increased slightly to prevent Z-fighting at the top edge
        translate([0, 0, base_thickness])
            cylinder(h=height, r=inner_radius, $fn=6);
    }
}

// --- Render ---
hex_tray();