March 24, 2025
Description
Adjustable CNC drag pen for ER20 collets. With pen or Sharpie marker sleeve. To center: insert a flat substrate into the pocket and rotate pen sleeve until contact.
Requires one 12mm x 3mm spring. Spring can be found under the gas lever of any Bic lighter.
License:
Creative Commons — Attribution — Noncommercial
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Dr.Enchanted
