Wedge-Style-Bench-Vise Published December 28, 2012 at 350 × 238 in Build a Plywood Shop-made Wedge-style Trapezoidal Bench Vise To make your own simple bench vise, you can cut a trapazoidle pattern in a 3/4″ thick scrap piece of MDF or plywood and clamp it to your workbench.