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The
idea for this jig is really very simple. It consists of apiece of plywood used as a sled to hold a piece of lumber. I built
up one side to give me some extra wood to screw the clamps to and add a little stiffness.
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These toggle clamps feature a threaded rod with a
rubber pad on the end. This way I can adjust the length of the rod to match the thickness of the wood. To straighten a piece
of lumber I just clamp it down with the edge overhanging all along the side.
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I set the depth of the table saw blade to the thickness of the wood to be cut.
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With the table saw
fence set to the width of the jig I run the piece through the saw. The wood overhanging the jig is cut off leaving a straight
board.
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I know that if I start out with a straight piece of plywood for the jig
I will end up with a straight piece of wood when I am done.
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With the first side
cut straight I can set the saw fence to rip the remaining side to the width I need. If I have a shorter piece of wood to straighten
I will use the first and second toggle clamps. I can cut a longer piece of wood by letting it overhang the ends a little.
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