I exploit a easy scratch inventory to chop grooves for stringing. It’s particularly helpful on small desk tops, desk legs, and jewellery containers, the place a router may be unwieldy. Tiny router bits additionally generally tend to interrupt. I made the blade from a brief part of an previous bandsaw blade, which was about 1⁄32 in. thick, and used my bench grinder and a file to kind the slim tooth. It helps to paint the blade with a marker and draw the tooth form on it with a scratch axe earlier than grinding.
After shaping it, flatten the cutter on a sharpening stone to take away any burrs. The holder is comprised of maple, with a slot bandsawed into it. A small thumbscrew is used to tighten the slot, holding the cutter in place. I threaded the maple to carry the thumbscrew, however you might additionally screw it right into a threaded insert, or just use a standard wooden screw to use the
clamping stress. To make use of the software, tilt it backward at first, like a scraper blade, and decrease it till it simply scores the wooden. Make further passes as wanted, regularly bringing the cutter as much as 90°.
—CHARLIE JAMES, Williston Par okay, N.Y.
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