General Grievous Sketch Cover by artofwarlick | Mar 30, 2015 | Art & Illustration, Commissions, Design, Sketch Covers, Sketches | 0 comments General Grievous commission for an old schoolmate on a blank Star Wars Sketch Cover. If you want to snag one for yourself there are still a couple of blanks left in the store. And here is a work-in-progress timelapse from the instagram account. View this post on Instagram A post shared by Matthew Warlick (@artofwarlick) Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.