MATERIAL / DURABILITY
Durability is a design decision.
Most printed frames fail at the arm root. Thicker arms, sensible infill and a tough material matter more than any single trick.
Thickness
Go toward 8–10 mm on arms if you crash a lot.
Geometry
Shorter arms carry less leverage into the root.
Material
PETG over PLA, nylon-carbon on request.
Arm thickness8–10 mm
Infill40%+ reviewed
MaterialPETG / Nylon-CF
QUESTIONS
Can I get spare arms?
Ask in your notes; your design is stored.
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