Cross contour line exercise - created via http://pinthemall.net:
Op-art for kids
Pavuluri Vikam - All Under 1 Roof: Drawing with Numbers
“There are no mistakes in Zentangle, so there is no need for an eraser. If you do not like the look of a stroke you have made, it then becomes only an opportunity to create a new tangle, or transform...
How To Draw With Charcoal Reference Guide
How To Draw With Charcoal Reference Guide | Circolo d'Arti | Scoop.it