Download RISA-3D v23.0 Download RISA-3D v23.0 RISA-3D v23.0 RISA‑3D is a structural engineering software used for modeling, analysis, and design of buildings, bridges, and other structures. It’s known for its intuitive interface, powerful solver, and integration with other RISA products. Core Capabilities RISA‑3D v23.0 adds support for the latest U.S. building codes (IBC 2024, ASCE