POV-Ray
Description
POV-Ray (The Persistence of Vision Raytracer) is one of the two renderers supported by the Raytracing workbench together with LuxRender. It is also supported by the new Render Workbench, together with LuxCoreRender, Appleseed, Blender Cycles and Intel Ospray Studio (experimental).
Installation
Raytracing Workbench
Stable Version
The latest stable version of POV-Ray to be provided with binaries is 3.7.0.0 (2013-11-06), the first to be free software, released under the AGPL3 (or later). The latest stable version of POV-Ray, released only as source code is 3.7.0.8 (2018-05-27).
Linux
If your distribution provides a compiled binary, you can install it and all the relative dependencies through the package manager. Such distributions include: Arch Linux, Debian, Ubuntu.
After installing POV-Ray, launch FreeCAD, open the Preferences Editor, load the Raytracing Workbench, and go to the Raytracing Preferences.
Set the POV-Ray executable path to point to your installation of POV-Ray, usually it is /usr/bin/povray, and apply.