Simple japanese lantern in OpenSCAD

Blender rendering:

OpenSCAD definitions:

alpha=1;

module chamber() {
    translate([0,0,2])
    scale(v=0.8)
        difference() {
            cube([3,3,3]);

            translate([0,1,1])
                cube([3,1,1]);

            translate([1,0,1])
                cube([1,3,1]);
        }
}

module pedestal() {
    cube([1,1,1]);
    translate([0,2,0])
        cube();
    translate([2,0,0])
        cube();
    translate([2,2,0])
        cube();
    translate([0,0,1])
        cube([3,3,1]);
}

module hat() {
    translate([1.25,1.25,4.25])
        rotate(45)
            cylinder(1,3,1,$fn=4);
}

color("lightblue", alpha)
    translate([-0.25,-0.25,0])
        pedestal();

color("lightgreen", alpha)
    chamber();

color("lightcoral", alpha)
    hat();

Live demo