This is one more rough concept sketch. I intend to convert this into a full size oil painting some day. July 24, 2011 Concept sketch – A Sea Based Outpost to a Walled City Next Post July 6, 2011 Some concept sketches Previous Post Leave a Comment Cancel Reply Currently you have JavaScript disabled. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Click here for instructions on how to enable JavaScript in your browser.