Found 2 3D-models for “515mm” across many websites

#filament spol#filament spool#skate bearing#spool holder#spool#Printable Bearing#32mm#515mm#bearing#6mm BBs
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51.5mm Spool support w/bearing (6mm bb)

51.5mm Spool support w/bearing (6mm bb)

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Filament Spool Adapters with Skate Bearing

Filament Spool Adapters with Skate Bearing

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