You have access to Creo Flexible Modeling tools within Creo Simulate as described below: • Whether you are using integrated or standalone Creo Simulate you can easily simply, modify, or explore new configurations to the design. • A Creo Flexible Modeling license is required. • Flexible Modeling tools appear as Simulation features in the Model Tree. • Propagates the changes made using Creo Flexible Modeling to Creo Parametric using Refine Model ▶ Datum ▶ Promote . The new Remove feature helps to simplify the analysis model and does not require a Creo Flexible Modeling license.