IKONICS Imaging explains that their CrystalBlast Sandcarvers come with toolless maintenance. In their latest YouTube video, they demonstrate how to replace nozzles and hoses without tools.  On their blog, they offer a comprehensive artwork guide that provides tips for Applying Photoresist. They note best practices for creating artwork for sandcarving and provide a downloadable PDF. For more information, visit www.ikonicsimaging.com