...because we know: In the CAD environment (battlefield), we can not have enough data/file converter ;-)

CAD Exchanger

http://www.cadexchanger.com/formats.html

Import & Export
IGES
STEP
ACIS-SAT
STL
BRep

(VRML -> Export)

Supported formats currently include IGES, STEP, ACIS-SAT, STL, VRML and BRep.
However, this is only a beginning and more formats (including X3D, Parasolid XT, Rhino Open NURBS, JT, and others) are underway.