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  1. #1
    Join Date
    Feb 2017
    Location
    Ottawa, Canada
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    Default Inlay (double) dovetails with Leigh jig?

    Hi,

    New member here. I tried searching the forum for this topic but couldn't find anything. Apologies if someone already answered my question.

    I'm trying to find some instructions on how to use the Leigh TD-515 dovetail jig (I know, it's a very ancient model) to create half-blind inlay (double) dovetails. I can't seem to find anything online. I also have access to another jig similar to the blue one below, I can't recall the brand name at the moment.

    Could anyone point me in the right direction?

    Thanks!

    Yves

    Half_blind inlay DT.jpgJig 2.jpgLeigh jig.jpg

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  3. #2
    Join Date
    Oct 2007
    Location
    Alexandra Vic
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    69
    Posts
    2,810

    Default

    Sorry, not able to offer an experience based answer for you. The basic concept is to make a broad dovetail using the selected timber and contrasting timber, permanently assemble that and trim the excess contrast timber so it is flush with the inside face of the selected timber, then reset the jig to cut a narrower dovetail within the contrast timber. From my understanding you need different sized bits and template guides.

    I suggest that you visit the Leigh site and download the manuals and instruction videos for the current SuperJig and D4 range. I believe they discuss the finer details.
    I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.

  4. #3
    Join Date
    Jun 2000
    Location
    Western Australia
    Age
    77
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    3,679

    Default

    https://www.leighjigs.com/data/leighidt%20OPEN.pdf

    A link to a pdf for inlay cutting on a Leigh jig.
    Hope this helps you.

    cheers
    Johnno

    Everyone has a photographic memory, some just don't have film.

  5. #4
    Join Date
    Feb 2017
    Location
    Ottawa, Canada
    Posts
    2

    Default

    Thank you Malb and John, very helpful! I think the only issue is that on the TD515 model I cant mount a piece horizontally into the jig, but Im sure I can figure it out with the D4 instructions.

  6. #5
    Join Date
    May 2013
    Location
    Rockhampton QLD
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    68
    Posts
    2,335

    Default

    Welcome to the forum Yves.

  7. #6
    Join Date
    Oct 2007
    Location
    Alexandra Vic
    Age
    69
    Posts
    2,810

    Default

    If you can get enough info to cut dovetails with the jig, you just need to apply that method twice for each corner, once to set the inlay board into the corner, and again once to cut smaller dovetails into the inlay board, and set the side board into the inlay.
    I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.

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