Watertight door. Your browser does not support the video tag. Previously: Minuteman II missile silo blast door - photo Underground missile door mechanism - video Custom multi-point locking door - GIF Giant boiler door falls off - GIF Vintage vault door - photo
New plans added on 11/04: Click here for 2,561 plans for homemade tools.
KustomsbyKent (Mar 8, 2021), nova_robotics (Mar 8, 2021)
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