1. The coordinate frame called map is a world fixed frame, with its Z-axis pointing upwards.
该map坐标系是一个世界固定坐标系，其Z轴指向上方。
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2. Clearly vertical Z-axis control is necessary when routing complex shapes such as kitchen cabinets and door frames, but most digital print only requires an X/Y cut at a specific depth.
3. For the case where the element is parallel to the global Z-axis (or within a 0.01 percent slope of it), the element y-axis is oriented parallel to the global Y-axis (as shown).
4. For the case where the element is parallel to the global Z-axis (or within a 0.01 percent slope of it), the element y-axis is oriented parallel to the global Y-axis (as shown).
