Mayor Joseph A. Curtatone and the Office of Strategic Planning and Community Development invite all interested residents to an Open Studio Session as part of the city’s Somerville by Design initiative, to be held on Monday, March 18 at 6 p.m. at the Argenziano School on Washington Street.  The latest series, focusing on Complete Streets Design, kicked off on February 11 with a presentation by Complete Streets expert, Ian Lockwood. The presentation can be found online at www.somervillebydesign.com.  The upcoming meeting will feature an interactive brainstorming activity on creative streetscape design solutions.  For more information, contact OSPCD at 617-625-6600 ext. 2500.