The Fitting Simulator workbench in CATIA V5 is a great tool to help create assembly or disassembly paths for parts to take within a product. However, being able to visibly see if the item interferes with other solid objects along the path is sometimes hard to detect. Follow our technical trainer in this short video demo as she steps through two methods to discover clash along a Fitting Simulator sequence: activating a clash experiment and utilizing clash modes (on/stop) .