From LDraw.org Wiki
POV-Ray, short for Persistence of Vision Raytracer, is a ray tracing program that can be used to create realistic renders of LDraw models.
Different methods exist to use POV-Ray for this purpose:
- LDraw models can be exported to POV-Ray format using LDView or L3P.
- The LGEO library, created by Lutz Uhlmann, was created to ensure that rendered models looked even more realistic when rendered.
- Also other such libraries exist.