Print recommended data for different materials to adjust laser power and print depth 请往下读 Print recommended data for different materials to adjust laser power and print depth Note: Various material parameters suggested table (due to each person needs different results, parameters set slightly different, but also do more experiments to find their own laser head suitable parameters) . Materials that you can not print include: Metals that have no surface treatment, such as aluminum, silver, gold, copper, iron, glass, ceramics and other materials that are not easily burned by fire But if your metal surface has been painted, it can be carved THE thanks for reading END