Typically, it is awkward to modify the edge of a long, limber plank, either by carving or planing the edge. Some way is needed to hold the plank while working on it.
A simple, inexpensive plank clamp cam be made; often from scrap you have around the workshop.
Take a board (a piece of plywood is OK too; I used a scrap piece of 3/4 inch plywood here) a little longer than the longest plan you're likely to want to work on, and perhaps 2-3 inches wide. This will be the base.
Take a second (thinner) piece the same dimensions as the base. Make a saw cut 1/2 to 3/4 inches from one edge. Label this piece A. Make a second diagonal cut, end-to-end, in the remaining piece. Label these pieces B and C. Make sure the edges are smooth and straight.
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| The plank clamp. |
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The resulting pieces should look like the upper half of the figure.
Fasten piece A to the base at one side. Using part B as a spacer, fasten part C to the other side of the base. Remove part B before any spilled glue sets.
Once the glue has set, part B can be wedged back into the space left for it. Tapping this on the wide end will tighten it; tapping on the narrow end will loosen it.
Now you can loosen the wedge, and put your plank on edge in the gap.
Tightening the wedge will grip the plank, ready for working. When done,
loosen the wedge to remove the plank. (Lower half of the figure)
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