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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.

Cut open along one side, this giant Pandoravirus particle reveals a tangle of coiled genome fibers packed inside its oval capsid. Dozens of knobbed, mushroom-like spikes stud the outer surface from end to end, while the cutaway window shows looping strands sealed behind a layered wall. The stylized shape is bold and easy to read, standing upright without a base. A striking cell biology model for a microbiology classroom, a lab desk, or a science shelf next to other virus models.

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