Sketchy Tuesday on a Roof Terrace /September 6, 2017 by Arterra Landscape Architects Thank you to everyone who attended the first Sketchy Tuesday of 2017! (And a special shout-out to all of the SF Sketchers who joined. It was wonderful to meet you!)What a fun time sketching in the urban park on the roof terrace at 100 First Street amongst the towers.We hope to see you next time at the San Francisco Art Institute Rooftop with special guest sketcher Dan Hogman! Join Us!