... crystal,acrylic,plexiglass,plastic servo,square guide 3D cnc laser engraving machine:SD-960 laser engraving machine is a professional laser ... materials: Non-metal materials such as acrylic, double color board, Plexiglas,glass, bamboo and wood, rubber, ... etc.Applicable industry: Advertising industry, Billboards, artistic gifts, crystal ornaments, paper-cut, bambooand wooden product, garment and ...