As a very small company, we cannot afford the thousands of dollars being asked by the commercial grid generator companies.

Can anyone recommend a freeware or relatively cheap and reliable 3-D structured grid generator package to be used on a PC using Windows?

Take a look on

http://www-users.informatik.rwth-aac.../software.html

it's a list of public domain and commercial mesh generators

Thank you very much for the web site, Alessandro.

It will help much search!