Sweet Home 3D for Mac is a free interior design application that will help you design and layout your home, office, workspace, garage, studio, or just about any other designed building you can think of. Sweet Home 3D for Mac has some really nice features, like the ability to place furniture on a 2D plan and view it in a 3D preview.

Key features include:

• Draw straight, round or slanted walls with precise dimensions using your mouse or keyboard.
• Insert doors and windows into the walls by dragging them onto the plan, and Sweet Home 3D for Mac will calculate the holes in the walls.
• Add furniture to your plan from an expandable, searchable catalog.
• Change the color, texture, size, thickness, placement and orientation of furniture, walls, floors and ceilings.
• Design a home in 2D and simultaneously view it in 3D from a bird’s eye view or navigate it from a virtual visitor’s perspective.
• Annotate the plan with room areas, dimension lines, and text.
• Create photorealistic images and videos with the ability to control the effect of sunlight based on time of day and geographic location.
• Import a house drawing to draw walls, 3D models to complete the default catalog, and textures to customize surfaces.
• Print and export PDFs, raster or vector graphics, videos, and 3D files in standard file formats.
• Expand the capabilities of Sweet Home 3D with plugins written in Java.
• Multilingual support: 25 languages.

Overall, Sweet Home 3D for Mac is a great app to get started with 3D design. It is easy to use and has an intuitive user interface. The 3D walk-ins are excellent and there is plenty of furniture to choose from. You can even create rounded rooms! The application has a convenient automatic recovery function in case Sweet Home 3D fails.