How to set the surface height in Jingdiao? Does it have anything to do with the depth of the knife? I'm gonna carve it out of the nine centimetre board, okay?

1, if it is the area of the line of rough engraving surface height 0, the depth of engraving specified. 2, if it is curved, you have to adjust the highest point to 0. Otherwise, the carving knife is hanging up to carve. Specific methods: 1, model, Z-direction transformation, high point to XOY. 2, select the toolbar to focus on the fixed point