Watertight door.
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Previously:
https://www.homemadetools.net/forum/...954#post140692
https://www.homemadetools.net/forum/...011#post100498
https://www.homemadetools.net/forum/...072#post153459
https://www.homemadetools.net/forum/...579#post147477
https://www.homemadetools.net/forum/...878#post144475
