New features added to Geometry Gym IFC plugin for Grasshopper and Rhino. You can now import existing IFC data files into Grasshopper (more improvements on visualization coming soon). There's also specific components for tagging objects as slabs, walls, stairs, beams etc. Download from http://www.geometrygym.com/downloads
Example definition for importing IFC data: ReadIFC.gh
Sample IFC data file : testTower.ifc
Priority will be given to new features requested by users, please keep sending them through.