Found 2 3D-models for “31 reduction” across many websites

#Creality#Ender 3#reduction#PLA#creality ender 3#dual Drive#Ender 3 Pro#31#BMG#31 reduction
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Belted reduction direct drive dual gear extruder

Belted reduction direct drive dual gear extruder

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Pitan Dual Drive

Pitan Dual Drive

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