BIM Software. Revit-MBA. Autodesk Seek. Buildz. RevitCity.com. ADAPTIVE SPIRAL STAIRS. I was looking through Zach Kron's parametric patterns series, which is still available on his Buildz website, and well worth a look if you missed it.
The INCREMENT SPIRAL caught my eye and I started wondering "how would I convert this into a fully parametric spiral stair" I took the family that Zach created: just a spiral line, with parameters for height, radius, rotation angle. Building Information Modeling. The Revit Clinic. Thanks to Jeff Hanson for the following post!
With each development cycle the Revit team works to develop new features, enhance or expand existing functionality, and improve the overall performance of Revit. The 2015 development cycle was no different in this respect and overall performance of Revit 2015 has increased when tested against Revit 2014. Of particular note is the performance of graphics related operations. Revit Components. Revit OpEd. Free parametric BIM Models of "bathroom" in GDL, 3DS, DWG and DXF formats.