Online live during Harvest of Hope 2.0. NAMI Mercer. Learn the basics of Zentangle, a creative and relaxing method of art. Be sure to have the following supplies on hand: a pencil, an ultra-fine point black Sharpie (or comparable) pen, and a piece of 8.5″ x 11″ paper. Diane Forer is a retired art teacher whose passion and desire to teach art has not diminished.