Stone engraving machine engraving can be carved up to more than deep. Sandstone plate can carve it.
A knife is probably about 3-4 mm, the other words you can layer by layer, the total depth of 5 cm or so, because the requirements of the machine is relatively high! So look at your configuration!
You can consult the carving stone carving machine
Sandstone is absolutely no problem, can bring the movement of the five thousand W spindle machine is engraved
