EcoMod is an OpenGL application for 3D modelling, simulation and visualization of ecosystems. Trees are modelled and used within simulation to render the emerging natural phenomena of spontaneous afforestation process. Multidisciplinary.
With Scan3D you can scan a real object and reconstruct its three-dimensional surface. You need only to take set of photographs of the object and you'll be able to obtain a file in VRML or other 3d graphic formats.