1. Plane ÀÛ¾÷Çϱâ

    Plane ¾ÆÀÌÄÜÀ» ¼±ÅÃÇÑ´Ù.
    
    Plane type : Offset from plane
    Reference : zx plane
    Offset : -18mm (-Y DirectionÀÎÁö È®ÀÎ)
    
    Preview ¹öưÀ» È®ÀÎ ÈÄ, OK ¹öưÀ» Ŭ¸¯ÇÑ´Ù.

2. Plane.3 À̸§ ¼öÁ¤Çϱâ

    Plane.3¿¡¼­ ¸¶¿ì½º ¿À¸¥ÂÊ ¹öưÀ» ´©¸¥´Ù.

    Contextual MenuÀÇ Properties -> Feature Properties ->
    Feature Name -> 18mm Offset Plane From ZX Plane -> OK