{"guid":"ac3e11b8-8bd0-55ba-bd02-a55e3e01db10","title":"The Ship in a Bottle: Printing a Hermetically Sealed Sea Scooter in One Go","subtitle":null,"slug":"emf2026-54-1-the-ship-in-a-bottle","link":"https://www.emfcamp.org/schedule/2026/54-the-ship-in-a-bottle","description":"What happens when you combine 3D printing with the high-stakes world of marine engineering? You get a sea scooter that is born, not assembled. In this session, we explore the design and fabrication of a fully functional underwater vehicle featuring a unique constraint: a single-piece, hermetically sealed hull with zero holes. No drive shafts, no charging ports, and no external switches. This talk dives into the 500-hour journey of overcoming the physics of water pressure and the logistics of \"mid-print assembly.\" We will discuss the engineering of a contactless magnetic gear drive system, the integration of inductive charging through a plastic hull, and the heart-stopping moment of dropping a fully powered drive system into a 3D printer mid-job. Most waterproof electronics rely on O-rings, gaskets, and seals—all of which are common points of failure. This project sought to eliminate those failures by creating a \"monolithic\" hull.\n\nLicensed to the public under https://creativecommons.org/licenses/by-sa/4.0/","original_language":"eng","persons":["Ben from Designed To Make"],"view_count":42,"promoted":false,"date":"2026-07-18T12:20:00.000+02:00","release_date":"2026-07-18T00:00:00.000+02:00","updated_at":"2026-07-21T13:45:15.856+02:00","tags":["5401","2026","emf2026","talk","Stage C","emf2026-eng","Day 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