Sweet Home 3D is an open-source interior design application that helps users create floor plans and arrange furniture within a virtual 3D environment. It is developed and maintained by eTeks, a French software company, and is available for multiple platforms, including Windows, macOS, Linux, and web browsers. Key features of Sweet Home 3D include: 1. **3D Modeling:** Sweet Home 3D provides a user-friendly interface for creating and editing 3D models of interior spaces. Users can draw walls, rooms, and partitions, adjust dimensions, and customize shapes to create floor plans that accurately represent their living spaces. 2. **Furniture Library:** Sweet Home 3D includes a vast library of furniture models, textures, and accessories that users can use to furnish their virtual rooms. The library contains a wide range of furniture items, including sofas, chairs, tables, beds, appliances, and decorative objects, allowing users to create realistic and detailed interior designs. 3. **Customization Options:** Sweet Home 3D offers a variety of customization options for furniture and room elements. Users can adjust the size, color, texture, and orientation of furniture items, as well as change the properties of walls, floors, and ceilings to match their preferences and design requirements. 4. **Real-Time 3D Preview:** Sweet Home 3D provides a real-time 3D preview mode that allows users to visualize their designs in a virtual environment. Users can navigate through their floor plans, view rooms from different angles, and explore interior spaces as if they were walking through a physical environment. 5. **2D Floor Plans:** In addition to the 3D view, Sweet Home 3D also offers a 2D floor plan view that displays a top-down representation of the design layout. Users can switch between the 3D and 2D views to work on different aspects of their designs and get a better understanding of spatial relationships and dimensions. 6. **Export and Sharing:** Sweet Home 3D allows users to export their designs as 2D floor plans, 3D models, or images in various formats, including SVG, PDF, OBJ, and PNG. Users can also share their designs with others by saving and distributing project files or exporting images for presentations and documentation. Overall, Sweet Home 3D is a versatile and intuitive interior design application that offers a range of features and tools for creating detailed and realistic floor plans and interior layouts. It is suitable for homeowners, interior designers, architects, and other professionals who need to visualize and plan interior spaces for residential or commercial projects.