Sampat Kumar
Ansys Employee

Hi Francisco,
I have attached the Midsurfacing tool tutorial link that you can follow
https://www.youtube.com/watch?v=d4kZ7ikTaT8
https://discoveryforum.ansys.com/t/k9p6sq/automatic-midsurface-extraction-in-spaceclaim
https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v232/en/spaceclaim/Discovery/user_manual/midsurface.html

Please follow the mentioned link and let me know if you face any problems.
Regards,
Sampat