Modellbau Fillinger is a company based in Dortmund, North Rhine-Westphalia, specializing in model making, mold making, and design for mechanical engineering, plant construction, and product design. The company produces components from various materials including Styrofoam, wood, plastic, and metal, offering custom manufacturing based on CAD drawings and sketches. Founded in 1964, Modellbau Fillinger has established itself in the European market as a designer and producer of specialized models and components.