A group of enthusiastic artists calling themselves Chennai Weekend Artists celebrated their 2nd anniversary yesterday. A cake cutting session was followed by a sketching session and a sculpting session based on live models. The group strength is 1700-plus now and they have conducted over a 100 events so far. One of the live models stood in a pose for 40 minutes holding a heavy tripod while the artists sketched the scene. The event was held at Jammi Buildings on Venkatachalam Street near the Royapettah flyover, Mylapore.