Lubanchi is 3.88 meters high.

3.88 meters is the correct word on Lubanchi. According to relevant data, Lu Banchi's "one foot" is divided into ten words: Ding, Harm, Prosperity, Suffering, Righteousness, Official, Death, Prosperity, Loss and Wealth. Among them, Ding, Wang, Yi, Guan, Xing and Cai are auspicious, while harm, suffering, death and loss are fierce. 3.88 meters is the word itself, 2.9m meters is the vault between the righteous word and the official word, 3.0 meters is Xing's precious son, 3. 1 meter is the wealth between Cai and T, and 3.03m meters is the loneliness around the lost word. The 3m of Lubanchi corresponds to the width of the gate in Lubanchi, which is a lucky number, ranging from 3m to 3m. Lu Banchi, whose full name is Luban Jianchi, also known as Lu Banchi, is a measuring tool for building houses and houses, similar to the square ruler used by craftsmen today. Lu Banchi, about 46.08 cm long, is said to have been made by the Lu public transport class in the Spring and Autumn Period. Later, it was added to the geomantic circle to measure the good and bad luck of houses and houses, which was called the door plan.