Avient Design, a team of industrial designers and project engineers, used CAE simulation to provide a proof of concept for converting from a standard steel or wood hammer handle to a polymer design. Ergonomic Grip Design Guide 17 Ergonomic Grip Design Guide 18 Avient Design began the setup for the simulation with 3D CAD models for each of the hammer handle designs. Avient offers a comprehensive portfolio of specialized and sustainable materials to help you solve your toughest design and manufacturing challenges.