Mokoku (模刻) is a calligraphic term meaning to create a 'hojo' (copybook printed from the works of old masters of calligraphy) by reproducing and engraving handwriting on a piece of stone or wood, for the purpose of preservation, appreciation, and learning.
模刻（もこく）とは、書道において、書蹟を石や木に模写して彫りつけ、保存・鑑賞・学書用の書蹟「法帖」を制作すること。