$fn=64;

// --- Parametric Dimensions ---
stand_height = 250;       // Total height of the stand
base_width = 320;         // Width and depth of the stand at the bottom
top_width = 260;          // Width and depth of the stand at the top
corner_radius = 40;       // Radius of the rounded corners
wall_thickness = 8;       // Thickness of the walls and top surface
bowl_hole_dia = 215;      // Diameter of the hole for the water bowl

// NOTE: For optimal 3D printing without supports, print this model upside-down.

module elevated_bowl_stand() {
    difference() {
        // Main solid outer body
        hull() {
            // Base profile
            for(x = [-1, 1], y = [-1, 1])
                translate([x * (base_width/2 - corner_radius), y * (base_width/2 - corner_radius), 0])
                    cylinder(r=corner_radius, h=0.1);
            
            // Top profile
            for(x = [-1, 1], y = [-1, 1])
                translate([x * (top_width/2 - corner_radius), y * (top_width/2 - corner_radius), stand_height - 0.1])
                    cylinder(r=corner_radius, h=0.1);
        }

        // Inner hollowed section (maintains uniform wall thickness)
        hull() {
            // Inner base profile
            for(x = [-1, 1], y = [-1, 1])
                translate([x * (base_width/2 - corner_radius), y * (base_width/2 - corner_radius), -1])
                    cylinder(r=corner_radius - wall_thickness, h=0.1);
            
            // Inner top profile
            for(x = [-1, 1], y = [-1, 1])
                translate([x * (top_width/2 - corner_radius), y * (top_width/2 - corner_radius), stand_height - wall_thickness])
                    cylinder(r=corner_radius - wall_thickness, h=0.1);
        }

        // Cutout for the water bowl
        translate([0, 0, stand_height - wall_thickness - 1])
            cylinder(d=bowl_hole_dia, h=wall_thickness + 2);

        // Finger lift notches at the bottom edge for easy handling
        for(angle = [0, 90, 180, 270]) {
            rotate([0, 0, angle])
            translate([0, base_width/2, 0])
            scale([2, 1.5, 1])
            sphere(r=15);
        }
    }
}

// Render the stand
elevated_bowl_stand();