... spindle 3.Ncstudio card 4.linear round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ... , 3D engraving.... Machine specifications X/Y-axis working area 600*600mmMillling cutter 3.175mm,4mm,6mmZ ... linear round guide way for X Y Z-axis, stable operation, high precision and low vibration. ... acrylic, organic glass, PVC, double color board, stone, jade processing. Sample pictures