Logging onto a domain & home workgroup

I have a user that logs onto our network domain for work, but when they go home they want to log onto a seperate workgroup to share files and a printer attached to there personal computer. Is this possible by having them log out of the domain login and log into the local machine, and if so, how do you set them up in a personal workgroup without removing the work domain that I don’t want to change?

Thanks