$fn=64;

// --- Parameters ---
bowl_hole_radius = 60;   // Radius of the hole for the bowl
rim_width = 20;          // Width of the top supporting rim
stand_height = 90;       // Total height of the stand
top_thickness = 8;       // Thickness of the top rim
leg_radius = 10;         // Radius of the legs
leg_angle = 15;          // Outward splay angle of the legs

// --- Calculated Variables ---
top_radius = bowl_hole_radius + rim_width;
leg_length = stand_height / cos(leg_angle) + 20; 

module pet_bowl_stand() {
    difference() {
        union() {
            // Top Ring
            translate([0, 0, stand_height - top_thickness])
                cylinder(h=top_thickness, r=top_radius);
            
            // Legs
            for(i = [0:3]) {
                rotate([0, 0, i * 90 + 45])
                translate([top_radius - leg_radius - 5, 0, stand_height - top_thickness/2])
                rotate([0, -leg_angle, 0])
                translate([0, 0, -leg_length])
                cylinder(h=leg_length, r=leg_radius);
            }
        }
        
        // Cutout for the bowl
        translate([0, 0, stand_height - top_thickness - 1])
            cylinder(h=top_thickness + 2, r=bowl_hole_radius);
            
        // Flatten the base (z < 0) to ensure it sits flat on the floor
        translate([0, 0, -50])
            cube([top_radius * 5, top_radius * 5, 100], center=true);
            
        // Flatten the top (z > stand_height) to remove any protruding leg tops
        translate([0, 0, stand_height + 50])
            cube([top_radius * 5, top_radius * 5, 100], center=true);
    }
}

// Render the model
pet_bowl_stand();