Liz Haas of Rayzist PhotoMask sandblast's a paver brick using 4Mil Photomask (SR2000) to compare the resist strength to Rayzist's LaserMask (4Mil). Sandblasted to a moderate depth for a donation brick and paint filled with black Lithchrome paint. Sandcarving produces the designed results with less effort. Learn more at https://www.Rayzist.com/