Found 3 3D-models for “4mm arms” across many websites

#ZMR250 V2 Spacer#Atom rx122#4mm arms#quad#alien#rx122#atom v3#martian 220mm#martian#12mm thickness
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ZMR250 V2 Spacer

ZMR250 V2 Spacer

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Atom V3 Prop Guards

Atom V3 Prop Guards

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ESC Protection/Protector Martian II or Alien Frame (with FVT LittleBee 30a)

ESC Protection/Protector Martian II or Alien Frame (with FVT LittleBee 30a)

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