Trimming Dovetails

•On page 21 we show a tip for-trimming dovetails flush with a belt sander. This works fine when there isn't much material to remove. But if the pins and tails are cut a little long, there's a quicker way to do the same thing. All you need is a straight bit and your router, see Fig. 1.

But first you have to replace the existing router base with a different one. That's because the edge of a regular base runs into the pins or tails before the bit can get near enough to trim them flush. To solve this prob lem, I made an auxiliary base to raise the router up so it doesn't hit the dovetails.

This auxiliary base is simply a W-thick piece of stock with a wide rabbet cut on the bottom, see Fig. 2. The rabbet provides the clearance needed so the bit can reach the pins and tails. To make the base stable, it's cut extra long (mine was 11") .And for added control, there's a block at one end for a handle.

To use the jig, adjust the bit height so it trims the pins or tails flush, see Fig. 3.

Feed the router slowly when trimming the pins or tails


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