(Project SqSpiral) (Created by Estlcam version 9 build 9.046) (Machining time about 00:00:14 hours) (Required tools:) (End mill 3mm) G90 G91.1 M03 S24000 G00 Z5.0000 (No. 1: Engraving 1) G00 X0.0000 Y0.0000 G00 Z0.5000 G01 Z-1.0000 F600 S24000 G01 Y5.0000 F1200 G01 X5.0000 G01 Y-5.0000 G01 X-5.0000 G01 Y10.0000 G01 X10.0000 G01 Y-10.0000 G01 X-10.0000 G01 Y15.0000 G01 X15.0000 G01 Y-15.0000 G01 X-15.0000 G01 Y20.0000 G00 Z5.0000 G00 X0.0000 Y0.0000 M05 M30