5ced8212_World_Building_Tools__Tools_used_to_create_a_world
[Virtual world environment] OZ Virtual [Tools used to design avatars] Avatars must be constructed by OZ designers. [Tools used to create a world] 
Worlds can be built out of VRML 1.0 and 2.0 files using any 3D VRML authoring tool.
World Building Tools
Tools used to create a world