Corseuil, Eduardo T. L.Raposo, Alberto B.Silva, Romano J. M. daPinto, Marcio H. G.Wagner, Gustavo N.Gattass, MarceloSabine Coquillart and Martin Goebel2014-01-272014-01-2720043-905673-10-X1727-530Xhttps://doi.org/10.2312/EGVE/EGVE04/079-082This paper presents ENVIRON (ENvironment for VIRtual Objects Navigation), an application that was developed motivated by the necessity of using Virtual Reality in large industrial engineering models coming from CAD (Computer Aided Design) tools. This work analyzes the main problems related to the production of a VR model, derived from the CAD model.