Printed Cuddling Owls. Buried upside down in sand. Add html. Cast Aluminum.Printed the Cuddling Owls using 0% infill. 2 shells and 0.3mm layer height. Use a hot knife to cut a hole in the base. Bury upside down in sand to the base, but leave a half inch deep cone for the base to form. The plastic will melt away and likely burn or catch fire as the aluminum is poured. Cool. Clean up with wire brush. It's cool.