Terragen is a work-in-progress scenery generator for Windows 95/98/NT/2000. At this stage of its development, Terragen is free for personal noncommercial use. Terragen is already capable of photorealistic results for professional landscape visualization, special effects, art and recreation，also the movie special effect of 'the day after tommorrow' was completed by terragen, you do not need professional skills for 3D design and it's easy to make delicate and awesome 3D effect with it, enjoy
it!