GLOBE_3D: GL Object Based Engine for 3D. GLOBE_3D is a free, open-source, real-time 3D Engine written in Ada, based on OpenGL. Up-to-date GL bindings - portal rendering - binary space partition - object I/O - tools for importing - and more...
A mathematical knot (model exported from VRML format)
Custom Doom 3 level exported with the d3g tool
Landscape (Irin project)
Borg Star - randomly generated
Omega Research Facility (scene exported from Doom 3)
A space ship (model exported from GMAX)