Sahil Sura
Ansys Employee

Hi charles delepelaire,
Parameterizing is one of the features of SpaceClaim and can be accessed through the 'Groups' tab 'Create Parameter' option.
Also, another method can be scripting.
The following references might help you with the same,
Using Groups to Drive Changes in Ansys

How to access the ANSYS Online Help
Guidelines for Posting on Ansys Learning Forum