Cheetah3D is a powerful and intuitive 3D modeling, rendering and animation software designed for Mac OS X. It is a feature-packed 3D authoring tool that enables you to easily create stunning 3D models, animations and scenes. With Cheetah3D, you can quickly build and manipulate 3D models and scenes, create photorealistic 3D renderings, and animate your own 3D creations with powerful and intuitive tools. Cheetah3D is suitable for a wide range of users, from beginners to experienced professionals, and offers an array of features to help you create amazing 3D projects. It comes with a variety of tools and features, including a polygon modeling system, subdivision surface modeling, a fast raytracing engine, a built-in node-based shader editor, and a built-in game engine. Cheetah3D also supports the import and export of a variety of 3D formats, making it easy to incorporate models and scenes into your projects.
Discontinued According to the official website k-3d.org: The latest version of the "source code" is from November 2015. And the latest binary executable version is even older. According to its Sourceforge page (https://sourceforge.net/projects/k3d/files/K-3D Win32 Binaries /), the latest version is from June 2010.