Formlabs Tough 1500 Resin V2 (Form 4) 1 LTough 1500 Resin V2 is a resilient material with strength, stiffness, and toughness comparable to polypropylene (PP), offering exceptional resistance to fractures, impacts, and shattering. Create parts that balance stiffness and ductility, whether for compliant mechanisms or rugged enclosures with self tapping screws and snap fits. Tough 1500 Resin V2 enables a wide range of applications, from functional prototypes to end use jigs and fixtures. Tough