$fn = 64;

// --- Parameters ---
stand_height = 80;        // Total height of the stand
base_radius = 80;         // Radius at the bottom (for stability)
bowl_hole_radius = 60;    // Radius of the hole for the bowl to drop into
top_outer_radius = 75;    // Outer radius of the top rim
wall_thickness = 6;       // Thickness of the walls
top_thickness = 6;        // Thickness of the top resting surface
arch_width = 50;          // Width of the leg arches
arch_height = 35;         // Height of the straight part of the arch

// --- Model ---
difference() {
    // Main outer body
    cylinder(h=stand_height, r1=base_radius, r2=top_outer_radius);
    
    // Inner hollow cavity
    translate([0, 0, -1])
        cylinder(
            h=stand_height - top_thickness + 1, 
            r1=base_radius - wall_thickness, 
            r2=top_outer_radius - wall_thickness
        );
        
    // Top hole for the bowl
    translate([0, 0, stand_height - top_thickness - 1])
        cylinder(h=top_thickness + 2, r=bowl_hole_radius);
        
    // Cutouts for legs (4 arches)
    for (i = [0 : 90 : 270]) {
        rotate([0, 0, i])
            arch_cutout();
    }
}

module arch_cutout() {
    // Offset slightly to ensure a clean cut through the outer wall and floor
    translate([-10, 0, -1]) 
    union() {
        // Rectangular base of the arch
        translate([0, -arch_width/2, 0])
            cube([base_radius + 20, arch_width, arch_height + 1]);
            
        // Semicircular top of the arch
        translate([0, 0, arch_height + 1])
            rotate([0, 90, 0])
            cylinder(h=base_radius + 20, r=arch_width/2);
    }
}