... .It is very simple to operate this machine DW3350 glass printer have the following detailsFeatures Crystaljet digital flatbed printing machine adopts ... following printing problems:1. One piece can be acceptable, no plate-making, lower cost, suitable for the small quantity of products2 ... .6.It can directly print on the surface of crystal, wooden, bamboo, metal, stone, leather, PVC, PP, PE, Ceramic tile, ...