FRESH Embedded Printing — 3D

Genuine WebGL companion: a needle traces a true freeform 3D path through a jammed gelatin microparticle bath, fluidizing it locally to deposit collagen ink in full 3D — not layer by layer

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Bath yield stress

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Needle position

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Ink deposited

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Shape fidelity

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Stages

Print parameters

Needle speed8 mm/s

Bath particle packing60%

Needle gauge27 G

Camera

Gelatin microparticle bath

Print needle

Collagen / fibrin ink trail