RISA-3D is so popular among structural engineers for one simple reason: ease of use. We designed our flagship product with the daily use of structural engineers in mind. User friendliness is what makes RISA-3D such a powerful tool for analysis, design and optimization of all types of structures and all common structural materials. RISA-3D’s full integration within the RISA Building System enables you to manage all aspects of your project within the same environment.