Sampo Software is a company that specializes in developing 3D visualization tools, primarily focusing on enhancing Microsoft Visio through its flagship product, 3D Visioner. The product integrates with Microsoft Visio to enable users to create and manipulate 3D visualizations from 2D drawings, thus offering an intuitive way to view complex diagrams in a more tangible format. The software is designed to aid professionals in fields such as architecture, engineering, and design by providing an enhanced, interactive experience for diagrammatic presentations.