Sliding Dovetail Picture

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    Topic
  • #309928
    Anthony GreitzerAnthony Greitzer
    Participant

    I haven’t started this yet but I was having problems with a picture frame jointed with mitered corners and splines. So, I decided to use stopped, sliding dovetails. Before I make this, however, I’m giving myself some practice by making a box with sliding dovetails. I’m almost done with the box sketch.

    Anthony

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  • #309936
    Anthony GreitzerAnthony Greitzer
    Participant

    @greitzera

    The pics are of thevpicture frame.

    Anthony

    #310034
    Brett aka PheasantwwBrett aka Pheasantww
    Participant

    @pheasantww

    Seems very complicated for a picture frame. What were the problems you were having with the mitered/spline frame? Maybe we can help.

    Located in Honeoye Falls NY USA. The Finger Lakes region of Western NY.

    "If you give me 6 hours to fell a tree, I will take the first 4 to sharpen my axe" Abe Lincoln

    #312340
    Anthony GreitzerAnthony Greitzer
    Participant

    @greitzera

    The corners separate during assembly or if dropped. I have since become better at them. I finished one yesterday that got good. The corners have splines and are mitered. My design, however, guarantees a strong joint. I agree, it’s more time consuming and will need practice. But, I now have an excuse to master sliding dovetails as well as options when crafting a picture frame. For example, miters with splines are a good choice for your average picture frame size but what if I was making one that is 3 feet in length? Not sure if those splines will hold. If the splines are strong (width and depth into the miter) it would work.

    Anthony

    #312341
    EdmundEdmund
    Participant

    @etmo

    @greitzera — a big part of the reason frames are mitered is for decorative purposes. In your last sketch (the one that’s upside down, 20170308_141459.jpg, under the words, “Butted Corners”) you highlight the problem — the inlay will suffer a discontinuity at each corner.

    I’m a huge fan of sliding dovetails, and trying to master them myself, so I’m def not trying to discourage you from going down this path, but in case it doesn’t work out to your liking, a more typical option to strengthen mitered corners, while also pulling the joint together more tightly, is with butterflies / aka dovetail keys. You can see it here:

    They can go in back to hide them, or in front to emphasize them, and Simon James details the correct method to make them here: https://www.youtube.com/watch?v=N-PHg7xR5H0

    #312346
    Anthony GreitzerAnthony Greitzer
    Participant

    @greitzera

    Thanks. I just watched the video. I will definitely try this. I like the idea of the key pulling the key corners tight. Here are the pics of the one I finished last night. I still need work on this. I like to use a brat nail as well.

    Anthony

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