Have you ever heard of bristle worms? These amazing marine creatures have a unique ability to 3D print their own armor! A recent study has uncovered the fascinating process in which bristle worms use special proteins to create intricate calcium-based structures, essentially acting as their own 3D printer. This discovery has scientists questioning the potential applications for this natural 3D printing process in the field of biomimicry. Could bristle worms hold the key to developing new, innovative 3D printing technologies inspired by nature? It’s certainly an intriguing possibility!

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source: Phys.org