If you are working on designing something and trying to optimize a part, then there is one tool in CATIA called Design Table which can be useful to you. It will not only save your time, but you will also be able to create an optimized product. 

A design table is like an excel sheet containing multiple rows and columns which can help you create various product instances. 

Do you want to learn how it works? Check out this video!

Community Knowledge ​​​​​​​Edu ​​​​​​​