Lovely, crisp and clear 2" thick optical crystal on black base. Can be sand carved on both pieces. Comes in presentation box shown here with a different product.
We sand carve these awards (similar to sand blasting but with very fine grit and nozzles) from behind, leaving the front smooth. It makes for a lovely deep etch that has depth and clarity. We can paint fill the etching but we think it reduces the 3D look.
The answer here could be a long article but in general, a rotary engraving machine is driven by compressed air which pushes a diamond or carbide tip into…
