Catalyst is a kinetic sculpture in Kansas City by artist Matthew Dehaemers, engineered and produced using Zahner art fabrication services. Located at the intersection of of 31st Street and Troost Avenue, this public artwork was completed in 2010 for the Kansas City Area Transportation Authority. Zahner engineers and artisans worked closely with Dehaemers to engineer, fabricate, and install the artwork. As a kinetic sculpture, the design included moving parts which were modeled digitally by Zahner engineers and the in-house design team. Zahner crafted the sculpture from galvanized steel, laser-etched stainless steel, and aluminum.