Blender is GUI to render engine. And there are multiple rendering engines[1]. Including Mitsuba[2] physically based renderer with GPU support [1] https://www.b

Blender is GUI to render engine. And there are multiple rendering engines[1]. Including Mitsuba[2] physically based renderer with GPU support [1] https://www.blenderguru.com/articles/render-engine-comparison-cycles-vs-giants/ https://www.blenderguru.com/articles/render-engine-compariso... [2] http://www.mitsuba-renderer.org/ http://www.mitsuba-renderer.org/