define canvas(100,100);
define system(-100,-100,100,100);

set pen_color [255,0,0];
set filled 1;

set depth 10;
set fill_color [0,0,255];
set center_angle 45;
draw rectangle([125,125],180,120);
set center_angle -45;
draw rectangle([-125,125],180,120);
set center_angle 45;
draw rectangle([-125,-125],180,120);
set center_angle -45;
draw rectangle([125,-125],180,120);

set depth 5;
set fill_color [0,255,0];
set center_angle 0;
draw rectangle([150,0],200,30);
draw rectangle([0,150],30,200);
draw rectangle([-150,0],200,30);
draw rectangle([0,-150],30,200);