module pila (){
color([0,0.4,1])
hull(){
	translate([20,0,0])cylinder(h=63.5, r=10.8);
	translate([-20,0,0])cylinder(h=63.5, r=10.8);
}
color([0.5,0.5,0.5])translate([18,0,64])cube([20,6,1],center=true);
color([0.5,0.5,0.5])translate([-13,0,64])cube([30,6,1],center=true);
}
 pila();
	