Chapter 7 Revit and mental ray ® 7.1 IntroductiontoRevit Autodesk ® Revit ® is often the modeling tool of choice for architectural offices, and the integration of Revit and 3ds Max ® or 3ds Max ® Design is improving with every release. However, in case you hadn't noticed, 3ds Max is not Revit, and Revit is not 3ds Max. They are two entirely different software packages with different purposes, different origins, and different workflows, which means that when you are passing files from Revit to 3ds Max, there will be some sort of compromise necessary to maintain a productive workflow. The version of mental ray ® that is built into Revit is a modified version of the mental ray used in 3ds Max. Following are some of the differences: