https://www.youtube.com/watch?v=GDtAz3__6mI
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Thanks Evgeniy Budilov! We've added your Scribe to our Scribes, Awls, and Marking Knives category,
as well as to your builder page: Evgeniy Budilov's Homemade Tools. Your receipt:
<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="https://www.homemadetools.net/homemade-scribe-21"> <img src="/uploads/276312/homemade-scribe-21.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="https://www.homemadetools.net/homemade-scribe-21">Scribe</a> <span> by <a href="https://www.homemadetools.net/builder/Evgeniy+Budilov">Evgeniy Budilov</a></span> </div> <div class="tags">tags: <a href='https://www.homemadetools.net/tag/scribe'>scribe</a>, <a href='https://www.homemadetools.net/tag/compass'>compass</a> </div> </div> </div> </div>
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These things are called Trammel Points and have been around for ages (some references go back to the 14th century).
Trammel Points are used to make Beam Compasses. Some attach like the ones this guy made, some use the thinner flat of the ruler, some are quite large.
And - you can buy them many places - amazon, ebay, McMaster, dozens of woodworking tool stores, home depot, and Starret has half a dozen:
https://www.starrett.com/products/pr...mmels/trammels
Here are some from MicroMark which calls them a Yardstick Compass:
https://micromark.com/products/Yardstick-Compass
Nice work. Maybe not available anywhere, close to him? But you would think with that nice equipment, they would be.