FT818/817 protection frame - belt version
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Remix of Printerman’s FT818/817 protection frame: reengineered to integrate and secure an original FT‑817 hand strap
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- Creative Commons — Public Domain
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
Source & Page
FreeCAD source available on request
More details: https://dd6yi.darc.de/
