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CAD data for reproduction/modifications of IBM's beamspring switches from the 70's
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beamlowprofile
beamlowprofileWIP
beamoriginal
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README.md

README.md

Beamspring (low profile) CAD resources

CAD data for reproduction/modifications of IBM's beamspring switches from the 70's. Based on measurements of original components, draft angles omitted for now.

Project thread: https://deskthority.net/viewtopic.php?f=7&t=21925

  • beamoriginal: original housing made in FC0.17
  • beamlowprofile: low profile switch assembly
  • beamlowprofileWIP: WIP files (changes could break assembly constraints)

Gerber output process: Generate cross-section, export result as dxf, import dxf in pcbnew (kicad), plot gerber

Requirements

FreeCAD 0.18 and A2plus addon (Tools>Addon manager)

License

Public domain

TODO

  • Recreate and refine original switch as a2plus/a3 assembly
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