... graphic formatDST, PLT, BMP , AICooling systemWater cooling and protection systemControlling softwareDSP control systemDriving systemStepperPower supply110-220V/ ... SF450 laser engraving machine is suitable for art and craft, advertising decoration, toy, electronic industry, cutting ... of coconut, paper, plexiglass, acrylic, marble, jade and crystal. With the rotating unit, this machine can work ...