At Workspace Studios off Folsom Street, visitors can expect a breathy climb up brick-colored stairs to a maze of artist studios. One of those studios belongs to artist Jonathan Barcan, who during a studio visit shared insights on his printmaking, drawing and painting practice. In looking at his work, it is easy to see the precision that goes into his etchings and prints as well as the experimentation and the unpredictability of materials in his drawings and paintings. Organic materials…