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About LinkBacksParallel arm compass. By Valentin Felder (thanks to mklotz for the discovery). 14:35 video:
. 14:35 video:
https://www.youtube.com/watch?v=Vx2QFlEgfpo "Pin It")
Parallel arm compass. By Valentin Felder (thanks to mklotz for the discovery). 14:35 video:
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albertq (Feb 5, 2026), Bony (Feb 7, 2026), Duke_of_URL (Feb 16, 2026), Inner (Feb 5, 2026), mtsmith14 (Feb 5, 2026), mwmkravchenko (Feb 9, 2026), Ralphxyz (Feb 9, 2026)
There are, of course, other ways to keep the pivot and scribe/lead parallel. The easiest way is to use a beam compass. The drafting compass style to which Felder refers works as well but is more difficult to find commercially today; they were common in the drafting instrument sets of my youth.
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Regards, Marv
Smart phones are to people what laser pointers are to cats
Homo sapiens is a goal, not a definition
CharlesWaugh (Feb 9, 2026)
Your craftsmanship and attention to detail are very worthy of admiration. You have done a superb job, well done.
Totally gorgeous!
And a great idea!
Charles Waugh
www.charleswaugh.com
"Any tool is just a kit, to be modified as needed for the job at hand"
Wow!! Marvelous work. Bravo.
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