Blender render addon for RenderMan 20.0 and beyond. To use install RenderMan, (free from http://renderman.pixar.com/view/non-commercial-renderman), download this project and put it in the addons folder for Blender.
For support visit the renderman forums https://renderman.pixar.com/forum/showthread.php?s=&threadid=28298
Many thanks to Matt Ebb for the initial 3delight/Blender plugin this is forked from.