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We just fixed downloads: every STL now comes straight from fast, reliable storage, saved under its own name, we're making 10,000 STL files and dozens of new tools, so things might break. We'll fix them ASAP.

A xenobot spheroid cut open to reveal its interior, shaped as a rounded, lobed body with one section removed. The outer skin is a mosaic of tightly packed cells, a thick ring of cuboidal cells lines the cut edge, and the hollow interior shows irregular inner cells in cracked, organic texture. It stands without a base and reads clearly from across a room. A memorable cell biology teaching model for a classroom, a lab bench or anyone curious about bioelectricity and living machines.

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