The simplest double-piston. It’s only 6 blocks, works as an extender and a retractor, and functions in every direction. via /r/Minecraft

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The simplest double-piston. It’s only 6 blocks, works as an extender and a retractor, and functions in every direction.
http://ift.tt/2eDoGgx

Submitted November 06, 2016 at 05:17PM by samnrad
via reddit http://ift.tt/2fvFovz