... screw 3.Steper drive motor SD-3020 Mini cnc router,stone engraving machineParameter:1.Working travel: 300*200*70mm2.Maximum carving ... large power motor, low noise, even speed5)Humanistic design, the machine can be disassembled, so it is easily transportedApplications:a) Wood ... Acryl ,PVC, double-color board engraving and reliefe) Handicraft engravingf) Stone caring and feliefg) Embossed picturesSample: