Selected Bibliography Architecture - Form Space and Order | Page 338

KEN

Two methods of designing with the ken modular grid
developed that affected its dimension. In the Inakama method, the ken grid of 6 shaku determined the
center-to-center spacing of columns. Therefore, the
standard tatami floor mat (3 x 6 shaku or 0.5 x 1
ken) varied slightly to allow for the thickness of the
columns.

3-mat Room

In the Kyo-ma method, the floor mat remained constant (3.15 x 6.30 shaku) and the column spacing
(ken module) varied according to the size of the room