A tiny 3D printed bunny


A new 3D printing technique builds structures from delicate networks of ribbons.


A 3D printed bunny made of isomalt sugar mixed with a glowing red dye used in biomedical imaging.
A 3D printed bunny made of isomalt sugar mixed with a glowing red dye used in biomedical imaging.
Troy Comi

Engineers from the University of Illinois have built a 3-D printer that offers a sweet solution to making detailed structures that commercial 3-D printers can’t: Rather than building a layer-upon-layer solid shell, it produces a delicate network of thin ribbons of hardened isomalt, the type of sugar alcohol used to make throat lozenges.

The water-soluble, biodegradable glassy sugar structures have multiple applications in biomedical engineering, cancer research and device manufacturing.

The image above shows an example where the technique has been used to print a tiny rabbit.

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