Found 2 3D-models for “fin block” across many websites

#model rocket#grid fin#Falcon 9#Falcon Heavy#block 5#Quick Build Parts#top hat#Bunker Works#fin block#space
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Spacex Block 5 Titanium Grid Fin

Spacex Block 5 Titanium Grid Fin

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Bunker Works Fin Blocks and Top Hat for Quarter Scale Patriot

Bunker Works Fin Blocks and Top Hat for Quarter Scale Patriot

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