SUPER COMAPCT 4x4 Flush Cave Door! @mruberduck
SUPER COMAPCT 4x4 Flush Cave Door!  @mruberduck
Uploaded January 2014 | Updated September 2026, 2 weeks ago
Hello! Today I have the world's smallest flush 4x4 cave door. at 336 blocks in volume. It beats colagon1420's design by 24 blocks :D Check him out though, cos he's awesome.
Colagon1420: youtube.com/user/colagon1420
My cubing channel: youtube.com/user/mrcuberduck
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SUPER COMAPCT 4x4 Flush Cave Door!

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