Shop Blu Crescent Engraving's Tech Accessories! Tech accessories are a fun and creative way to express your own unique style and personality. Explore Blu Crescent Engraving's artfully engraved wood phone cases, phone grips, and stands. Each of our designs are original pieces of artwork meant to create a statement. Select cases made from premium woods like black walnut, maple, cherry, and rose wood. If you're in search for the most unique, engraved tech accessories, you've come to the right place!