... 3. Stepper motor driver 4. 60/80W laser power optional Marble laser engraving machine Marble laser engraving machine features1). The upper part and the under ... Graphic FormatBMP, PLT, AI, DST, DXFSupported SoftwareAutoCAD, Coreldraw, Photoshop, TajimaHighest Scanning Precision2500 DPIOperating Temperature0 – 45 DegreeOperating Humidity5- 95% Applicable material marble ...