Tools for cutting polystyrene, suitable for cutting expanded polystyrene (EPS), extruded polystyrene (XPS), polystyrene and foams of any density. To carry out all kinds of theming works, plates of the Exterior Thermal Insulation System (SATE), figures or sculptures. Tools for cutting polystyrene of various sizes, for emptying, nichrome threads of various sizes, blades for thermal knives, cutting arches and electric and battery-powered thermal knives.