1. A method for presenting a plurality of computer aided design models, comprising: comparing, objects between each of the plurality of CAD models, each of the plurality of objects representing one of different versions of an installation model and different formats of a CAD model of an installation; selecting objects which match between each of the plurality of CAD models; orienting the plurality of CAD models uniformly using the selected objects which match between each of the plurality of CAD models; and presenting the uniformly oriented plurality of CAD models.