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Replacement Pens for HP7475A plotter
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Parts and an instruction PDF for producing high quality replacement pens for old HP7475A plotter Version2
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution — Noncommercial
HP7475A plotter pens are meanwhile unobtainium. So I made a replacement based on an available refill cartridge for a ballpoint pen (Schneider Universal 852), available at your stationary's or Amazon. See enclosed PDF (other files) for detailed building instructions.
Printing uses PLA preferable at 0.1 layer height. The original design was made in OpenSCAD and printed on a Prusa MK4S.