kiku 規矩
KEY WORD : architecture / general terms
Also read sumigane 墨矩; kikujutsu 規矩術; tsubokane 壷矩.

1 Also called yatsunaka 八中, honnaka 本中 or umanorinaka 馬乗中. Plans drafted to the actual size of various parts of a structure. These parts may include: the bracket complex *tokyou 斗きょう, including the joinery of bearing blocks *masu 斗, and bracket arms *hijiki 肘木, the details of roof structure; rafter *taruki 垂木, placement; cross section drawings *danmen-zu 断面図, etc. The technique advanced remarkably from the 17c onward. The word kiku junjou 規矩準縄 sums up the method: ki 規 is measure, ku or kane is a carpenter's square or ruler; hence, kiku.; jun 準 means in proportion to and jou 縄 means a marking line. The use of this system as the basis of construction resulted in highly developed and precise techniques, and the development of the modular system called *kiwari 木割.

2 Kiku is also used as a synonym for *kiwari 木割.

*kanejaku 曲尺, *sumitsubo 墨壷

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