One: The correct way to carve empty lattice:
Carving software to do hollow path is a relatively simple one, first of all, to use the engraving software to do the hollow pattern to draw him. Then select the required line and click \"Path Wizard\" to enter the path editing interface. Select the area for machining, enter the depth and select the appropriate tool. So we can make a hollow path.
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Only need to do the path input to the engraving machine, you can achieve hollow cutting.