When architect Gail Sullivan isn’t at work, she still likes to focus on design, just in a way that’s a bit messier. The founder and managing principal of Boston-based Studio G Architects, Sullivan says she uses her free time to garden or make ceramic make women’s figures. “I love getting my hands on clay,” Sullivan said. On top of that, she appreciates that she can finish a project promptly, as opposed to the years it takes to deliver a building.