The Fit Model report also has a Mixture Profiler that is useful for visualizing and optimizing response surfaces from mixture experiments. Many of the features are the same as those of the Contour Profiler. However, some are unique to the Mixture Profiler:

Click the Response Y red triangle ands elect Factor Profiling > Mixture Profiler to see the mixture profiler for the plasticizer data, shown in Mixture Profiler for Plasticizer Example.