Download of Home Designer Architectural 21.1.1.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This Mac application is a product of Chief Architect. The program relates to Design & Photo Tools.
From the developer:
Home Designer Architectural is powerful home design software for DIY home enthusiasts. Home Designer Architectural offers powerful design and smart building tools to create 3D models, scaled plans and elevations for your home projects. Created by Chief Architect, so you can enjoy the same type of tools that the professionals use for home design, remodeling, interior design, outdoor living, and cost estimation.
You may want to check out more software for Mac, such as Home Design Studio Complete 17, Home Designer Suite or DreamPlan Home Design Software, which might be similar to Home Designer Architectural.
3D Design
3D Design