which roles are required for a basic user to create and edit process models in 17.1

hi all,
I've already granted "Designer Role" and "Process Model creator group" to a basic user account, but it's still not able to open the model designer page. It throws 403 error.

could you tell me which roles are required?

Also for 17.1, which roles are required to access "suit/designer" page as a basic user?
In previous version, "Designer Role" is enough.

Thanks in advance.

OriginalPostID-270529