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FT818/817 protection frame - belt version — image 1

FT818/817 protection frame - belt version

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BroSys

BroSys

@BroSys_368853

Remix of Printerman’s FT818/817 protection frame: reengineered to integrate and secure an original FT‑817 hand strap

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Model information

Source
Printables
Category
Other Ideas
License
Creative Commons — Public Domain
DetailsFiles (1)Makes & comments (Makes: 0) (Comments: 1)Remixes (0)Collections (0)Related
Introduction


Remix inspired by a fellow ham doing lots of POTA with the FT‑817. Rails are reworked in FreeCAD to attach the original arm strap.

Printing Basics

  • PLA works for light duty; for real use prefer PETG, ABS/ASA, or Nylon

  • Print rails on their side; minimal or no supports as needed

Strength Settings

  • Walls: 4–6 perimeters (≥1.6–2.4 mm)

  • Infill: 25–40% (up to 60% for heavy loads)

  • Top/bottom: 6–8 layers

  • Nozzle: 0.5–0.6 mm; Layer height: 0.2–0.28 mm

  • Hotter temps and reduced cooling improve layer adhesion

Design Notes

  • Arm strap integration with chamfered strap mounts to reduce wear

  • Compatibility preserved with FT‑817 ports, stand, and controls

Assembly

  • Replace the original mounting screws with 8× M2×8 screws in total

  • Deburr strap slots; optional zip ties or low‑profile screws for backup

  • Test‑fit before attaching the strap

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