Jeanch Dragon PH - Feng Shui Ruler Known as 鲁班尺 (LuBan Foot) in chinese. Using feng shui ruler in measuring of an objects at a location with a certain dimensions will radiates
Feng Shui Ruler App
6 Coins Feng Shui Ruler
5.] Chinese Altar: Auspicious Chinese Altar Dimensions - General Help - FengShui.Geomancy.Net