Issue link: https://nbm.uberflip.com/i/1451373
G R A PH I C S - PR O.C O M 2 0 2 2 J U N E G R A P H I C S P R O 3 5 items will require color lling, or the en- graved/blasted text and images won't show up with enough contrast to be seen. Some engraved stones also add sublimated im- ages in a small oval, like a cameo. ere are so many possibilities. PLAQUES Plaques can be made from stone tiles as mentioned above or can also be made of glass. We have used cast glass tiles, some of which were commercially made and some that we cast ourselves, all depending on the requirements of the customer. On glass, it is advisable to use abrasive blasting since a laser has the tendency to stress the glass surface permanently, causing small glass splinters to break out of the surface on a continuous basis. Glass oers the option of diverse colors, which do not necessar- ily have to be of a solid color but can be swirled with other colors or lighter shades of the base color. Here in the Southwest, Top: Bricks come in many qualities. The cheapest ones usually have gaps in the brick, cre- ating problems in processing, like paint bleeding into porous surfaces and chunks breaking off the surface. The better the brick, the easier the processing. Above: River rocks are easy to obtain and unique to each customer. Left: Stone tile with a slightly irregular surface poses problems for stencil application.