Respected on the Mac for years before touchscreen iPads became viable artistic tools, Autodesk’s SketchBook series has been a great option for drawing and painting. Today, the company debuted SketchBook Pro 7, which will be offered in free, $3 monthly, or $25 annual subscription options. The free version will let OS X-based artists play with the app’s updated UI and basic tools, while the subscription and full licensed versions will provide…
