Summary
Stone substrate. Cleaning with sandpaper P180. Applying one layer of white acrylic paint. After 20 minutes, apply one layer of black acrylic paint. 30 minutes of drying and starting laser engraving. After 24 hours, seal with a matte spray.
License
(aka CC Zero) is a public dedication tool, which allows creators to give up their copyright and put their works into the worldwide public domain.