For such acrylic label cutting and engraving by cnc wood router, usually there are two ways. One is cut and engrave the scotch acrylic firstly, then use needle to inject the paint to the part of acrylic. And the other way is using the colorful self-adhensive tape to the acrylic, then start engraving and cutting by cnc wood router. For details, see follwing:
Here we will not mention the step of preparing program file for cnc wood router, setting tool path in the program file etc. We prepare the acrylic board, put it on the cnc wood router table and fix it by clamps. Now, mount on the cnc wood router bits special for acrylic.