“Owl Pattern” by Hydro74 Posted on April 5, 2015 by admin Hydro74 has a new print available. “Owl Pattern” is an 18″ x 24″ Screenprint, limited edition of 50, and cost $20. On sale now HERE. “Owl Pattern” by Hydro74. 18″ x 24″ Screenprint. Ed of 50 N. $20