|KEY WORD : art history / sculptures|
| Also okigata 置型. A device used in metal casting.
Often, in metal casting, a double mould was used, consisting of an outer shell
and an inner core. The molten metal was poured into the space between the inner
core and the outer shell which surrounded it, and so the size of this space determined
the thickness of the walls of the cast vessel or statue. The katamochi
was a piece of metal inserted between the mould and the shell, securing the distance
between them and holding them in place. In the case of Buddhist statues the marks
left by the katamochi were filled with molten metal after casting, and
gilded. Sometimes a metal nail known as *kougai
笄, which pierces both the inner core and outer mould, was used to serve the same
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