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Needle-leafed
Trees Part 1--Hinoki
Hinoki is the wood most Japanese are familiar with, but most
Japanese do not realize that it is the highest quality wood used
in constructing Japanese homes. Also, hinoki tree oil
has an excellent fragrance and is said to have a soothing or
calming effect on people.
Hinoki is a variety of tree found only in Japanムthe
trees called Taiwan Hinoki are actually a sub-species
of Hinoki. The famous Kisoh hinoki and Bishu hinoki
all refer to hinoki naturally growing around the volcano
Mt. Ontake after it`s eruption 300 years ago. Today, a board
of this hinoki at least 30 cm and 30 mm thick is worth
more than the same surface area covered with one hundred dollar
bills.
The bark of hinoki differs from sugi (Japanese
cedar) and was used in the thatched Hiwada-style roofs of old
Japanese homes and teahouses.
Among hinoki trees there are both those growing naturally
in national forests and those planted in private forests. The
hinoki from private forests have irregular growth rings
and are both hard and strong; they are perfect for use as a construction
material but are not appropriate for sculpture. Many hinoki from
national forests have stood for over one hundred years and have
packed in many growth-rings. But nevertheless young trees from
these forests are difficult to deal with in the same ways as
those from private forests.
Lumbering
and Carving
It is best to choose a tree with faintly pink-colored wood
with regularly spaced, consistent growth rings. Also trees with
no difference between their summer wood and winter wood tend
to be too hard be carved. The best trees are the aforementioned
Kisoh (Bishu) hinoki found in Nagano and Gifu prefectures, but
they are incredibly expensive. Their price escalates even higher
with the size of the piece, so generally most people can not
use them. Objects made from hinoki sapwood have a certain calmness
and dignity and are therefore perfect for carving Buddhist figures.
The reasons hinoki has been used for Noh masks and Buddhist statues
is that it is light, generally un-warped, and extremely resistant
to rotting and decay.
The growth rings of hinoki are beautiful. If you are carving
from a sapwood ita-me board, you should carve the front
of your piece from the side of the board which was farthest from
the center of the tree. If you are worried about warping or cracking,
you should use a masa-me board.
(ita-me boards are boards cut from the tree which don`t contain
the center)
(masa-me boards contain the actual heartwood of the
Because the grain of hinoki is extremely long, elastic
and durable, it can not be carved perpendicular to the grain.
Carving against the grain is extremely difficult and you are
liable to slice off too much wood if you strain too hard. For
rough carving and finishing, carving knives need to be thin and
finely sharpened. Especially with V-shaped or round knives, when
carving perpendicular to the grain you will encounter one direction
that will be against the grain, so please take care to sharpen
these knives extremely well. Hinoki is extremely difficult
for beginners to carve and it is also very expensive. It is best
to begin by carving hime-komatsu and then progressing
to hinoki after you become more skilled. Even for professionals
carving hinoki requires skill and expertise.
Finishing
Japanese needle-leafed trees hold a large amount of sap.
Because dust easily clings to them, it is best not to leave them
unfinished or else you piece will become dirty. It is best to
use a thin coat of wax, lacquer or artificial finish. Artificial
finishes usually have very hard surfaces and will crack over
a long period of time due to the expanding and contracting of
the much softer wood. Try to use a natural finish or only apply
a very thin coat of artificial finish.
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