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  1. #1
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    Default Japanese Woodworking Marking Knife

    Hi - Can anyone explain to me what is a Japanese Woodworking Marking Knife? Their seems to be lots of different types of knifes. I know that temple builders use the ink pot, but what do someone like a sashimono makers use.

    剣先 (Kensaki) (Sword Point)
    The first type looks like my notion of a marking knife but it seems rather heavy and thick from the photos.

    kensaki-1.jpg

    小刀 (Kodachi) (Small Knife)
    The second type looks finer but sometimes they come in left hand only sometimes they come in pairs.

    kogatana-shigafusatakefushi-1.jpg

    The last seem to be more of a stanley knife then a marking knife. I have seen the Japanese use it to carve wood with it.

    suminagashikuriko-3.jpg

    Can anyone illuminate me on the differences?
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  3. #2
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    Default

    for me the main characteristic of a Japanese marking knife is the hollow back.
    a secondary characteristic is a single bevel.

    your first type is double (left and right) handed

    the second type is single handed -- either left or right. I've not seen them sold as pairs, but most western woodworkers would need to buy left and right versions to mark on the left or right side of a rule, square, etc. It's a bit of a pain having to change marking knives when you change from aligning with the right side to aligning with the left side of a rule, etc.

    your third type seems to be specialised for reaching well into a joint to transfer a mark.
    regards from Alberta, Canada

    ian

  4. #3
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    As Ian described, the V bevelled knife is for use on either left-or right faces.

    I have a few Japanese knives or "kiridashi". What I like most about them is that they are heavy duty and easy to sharpen owing to the broad bevels ..





    The broad, thick bevels, however, have pros and cons.

    On the pro side, one only needs a single sided knife since it can run on the bevel (when you need to change hands) as easily as the back of the blade.

    On the con side, the blades do not score as deeply as a thin blade or get into tight spaces, such as the one below, which I designed for dovetails (now made by Chris Vesper) ...



    Both types have a place in a workshop.

    Regards from Perth

    Derek
    Visit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.

  5. #4
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    I have been digging around on this subject and found out what these tools actually are

    The 剣先 (Kensaki) (Sword Point) is not a marking knife at all its rather a kind of like skew knife.

    This is from a google translate
    Point of a sword is not a (for) scoring work .... used in such as shrines and temples building belongs to the class of knife ....... It can also be cut to move in the transverse direction like (a) chisel.
    Found this video: In which you can see that the Kensaki is massive and could never be used to as a marking knife.



    The middle styles these marking knifes if you get them in left and right version sets.

    The last one is more akin to a general purpose carving shaping knife the Japanese equivalent of a sloyd knife:

    This is from a google translate:

    Scalpel RepetitiveIt is suitable for cutting the tight Radius part of, such as not shaving in the warp plane and Nanjing Kanna (SPOKESHAVE).
    The processing of the thin portion of the tip is steep curves and delicate part, and the base portion is also suitable for such time as cut put the force.

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