Mirror Imaging Technique
The MIRROR IMAGING TECHNIQUE isn't complicated and can be mastered by anyone who enjoys the challenge of a new woodworking technique. I will give a"Readers Digest" explanation here.
First of all, you don't need a bunch of new tools. All you need is a scroll saw, drill press, and some MIT drums. You can start with just one, but a set of three sizes will give you a lot more versatility. The abrasive on the drums is very durable as long as it's kept clean with a belt cleaner. The steps are as follows:
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attach the pattern to the template material. Gluing laminate to 1/4 in. plywood makes the best template material. The laminate provides a hard surface for the MIT bearing to run on.
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cut out the pattern using a small blade. The smaller the blade the better pieces will fit. A #1 -double tooth or even a #0-regular tooth blade is adequate.
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trace the template pieces onto the wood you choose or the pattern suggests. Use a sharp pencil held at a 45-degree angle to insure an accurate trace.
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Cut the pieces out. Cut them a bit big, by cutting just outside the line. You will soon learn that accurate cutting will save you a lot of time later on.
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attach the template pieces to their matching wood piece, with double-sided tape. Make sure the wood is proud of the template on all sides.
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with a MIT drum chucked into a drill press, adjust the table so the bearing is running on the laminate. The abrasive on the drum should be in complete contact with the project wood.
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now just follow the template, removing the excess wood. By starting with a coarse drum the material is removed in a hurry with minimal effort. By switching to finer grits, you will get a tighter fit. Repeat this with every piece. I think you will be amazed at how nicely the pieces will fit.
From this point on it's a normal Intarsia project or inlay project. Complete as you usually would.
See below for more information.
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