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How to Cut Dovetails Using the AngleMag™ Magnetic Saw Guide

Introduction
Cutting Tails
Cutting Pins
Conclusion


Final Assembly and Conclusion
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Click on the images to enlarge
Now is the moment of truth. Clamp your pins in a vise and tap down the tails with a mallet. I always use a piece of scrap to make sure I tap evenly and protect the work from dents. If your layout and sawing was accurate, the pieces should just tap together. But don't force it. If the parts get stuck, take them apart and pare away any interference. Be careful of the visible edges. If you have a gap, don't worry too much about it. You can always fill it with veneer (be sure to match the grain direction). Watch for small splits occuring usually at the edge of a joint, especially at the ends of the tails. This happens if the joint is too tight.
In this particular case, one of the tails was a little tight and a split started. Paring along edge of the tail took off just enough so that the wood came together properly. Sometimes you can tell by the sound of the joint when you tap on it if it's too tight or loose. Wear marks on the joint when you take it apart are another giveaway. You can see in this picture there are little bits of wood in the corners of the pins that must yet be pared away before the joint can be malleted closed.

Glue-up:

Finally, glue up the joint and let it dry. When you glue up, remember that the joints are cut slightly deeper than the thickness of the wood so you have to put pressure on the joint to press the pins below the surface of the tails. The simplest way to do this is to take a scrap of wood and cut it away where the pins are so that when you clamp down, the pressure is all on the tails. When you clamp the joint, check for squareness. It is easy to be see that the joint is closed up and forget that the insides might be open. So check that the tails are totally down in their sockets and that the work is square before the glue sets up.

Planing flush:

When the joint is fully dry, the fastest and easiest way to finish it is by planing the protruding pins and tails flush, or by using a sander.

Finished!