Start with your design. If you have a lot of small details or thin lines, you will not want to blast too deeply. Some designs do not look good with a deep blast. If you’re blasting a rectangle with text in the middle on the back of glass, the depth of the rectangle can make the text harder to read and not as clean as a shallower blast.
Proper settings do vary by substrate and design. If you’re unsure, start with a lower psi and work your way up. Always watch your blasting angle, how you hold your item, and the speed you blast at. To have consistent sandcarving, your technique needs to be consistent as well.
—Glassmith2
