dimensional tolerance stack-up softwares 9commercial0
 

dimensional tolerance stack-up softwares (commercial)
i am trying to select a commercial software for dimensional tolerance stack-up analysis? there is used to be vsa (variational simulation analysis) software, but i can not find it on google. looks some other comapny bought it and renamed it. any help is appreciated.
the acronym for it is "vis vsa" and it is now a siemens product.