REVIT Architecture is another product by Autodesk. Similar to Autocad, REVIT is used to produce 2D drawing as well as 3D modeling, but in a faster way.
Autodesk Revit is a true parametric architectural building modeler. The modeling engine in AutoCAD contains primitive 3D objects and requires that all custom shapes be created manually. Autodesk Revit contains 3D parametric building elements. These parametric components carry information about their relationships to other objects in the building in contrast to the blocks and solids used in AutoCAD.
Quoted from http://images.autodesk.com/adsk/files/Revit_for_AutoCAD_Users
Sample Rendering by REVIT
Autocad or Revit?
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