$fn = 64;

// --- PARAMETERS ---

// Phone Dimensions
phone_width = 82;       // Width of the phone slot (fits most phones with cases)
phone_thickness = 16;   // Depth of the phone slot
stand_height = 70;      // Overall height of the stand
wall_thickness = 4;     // Thickness of the structural walls

// Hex Grid (HSW - Honeycomb Storage Wall) Parameters
hex_flat_to_flat = 19.8; // Slightly undersized for clearance
hex_depth = 8;           // Depth of the hex peg
hex_pitch = 40.98;       // Standard horizontal spacing between hex centers

// --- CALCULATED DIMENSIONS ---
w = phone_width + (wall_thickness * 2);
d = phone_thickness + (wall_thickness * 2);
h = stand_height;

// --- MAIN GEOMETRY ---
union() {
    difference() {
        // Main Solid Body
        translate([-w/2, 0, 0])
            cube([w, d, h]);

        // Phone Pocket Cutout
        translate([-phone_width/2, wall_thickness, wall_thickness])
            cube([phone_width, phone_thickness, h + 1]);

        // Front Screen Visibility Cutout
        translate([-(phone_width - 24)/2, wall_thickness + phone_thickness - 0.1, wall_thickness + 20])
            cube([phone_width - 24, wall_thickness + 0.2, h]);

        // Bottom Charging Cable Cutout
        translate([-20/2, wall_thickness - 0.1, -0.1])
            cube([20, phone_thickness + 0.2, wall_thickness + 0.2]);

        // Thumb Swipe Chamfer (Front bottom lip)
        translate([0, d, wall_thickness + 20])
            rotate([45, 0, 0])
            cube([phone_width - 24, 20, 20], center=true);
    }

    // Left Hex Peg
    translate([-hex_pitch/2, 0, h - 20])
        hex_peg();
    
    // Right Hex Peg
    translate([hex_pitch/2, 0, h - 20])
        hex_peg();
}

// --- MODULES ---
module hex_peg() {
    // Calculate circumscribed radius from flat-to-flat distance
    r_hex = (hex_flat_to_flat / 2) / cos(30);
    
    // Slight overlap with the main body to ensure a manifold (watertight) mesh
    translate([0, 0.1, 0])
    rotate([90, 0, 0])
    rotate([0, 0, 30])
    cylinder(r=r_hex, h=hex_depth + 0.1, $fn=6);
}