How to string and key a box at the same time ?

lundi 7 juillet 2014

Hello, I am making a jarrah box 120 H x 250 x 150 with mitred corners. I have cut it all out, put in the slots for the base and the lid, and for the tray support shelf.



I was going to just make keys of Qld Ash to strengthen the joints, but today I had two whitish coloured rubber bands around it, top and bottom, about 2.5mm wide, and it looked magnificent. So, stringing it will be, although I have never done any before. I have a 2.8mm wide blade for the table saw, with triple chip cutters that I was going to use for the keys.



Hence the problem. How do I strengthen the mitre joints and at the same time use stringing? I only want the two perimeter stringing to be visible, and they will be located on the lid and on the bottom of the box, about 15mm from the top and the bottom respectively.



One possible solution is to reinforce the mitre joints with splines, but I haven't come across a good, reliable jig that will do slots for splines along the inner edges of each mitre joint.



I would welcome any suggestions and ideas, or even links to where it has been done before.



Also, how high should the lid be for a box this size? The corners will need strengthening. I was thinking of cutting the top off at about 20mm, with a 12 mm lid fitted to it via the slots in the sides and the lid , as per the attached drawing below ( ignore the timber thickness dimensions shown). That doesn't leave much room for the stringing


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