Point Cloud Feature Extraction for Autodesk® Revit® 2012 software is a free* technology preview that allows you to work with point cloud more easily in Revit. This plug-in automatically extracts useful geometry features from point cloud of buildings and creates basic Revit elements to aid the building modeling in Revit.
Main features specifically for Revit so that the extracted features / geometry can be smoothly integrated into the BIM workflow:
Datum Extraction: Extract both level and orthogonal grid