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Student researcher robotically 3D prints larger-than-life human brain

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Elena Malott, a student at McNair Academic High School, has 3D printed a larger-than-life brain using an experimental robotic printer developed for Space applications.

Measuring 560mm x 670mm x 370mm tall, the 3D printed brain is four times the size of an average human brain and was modeled from real-world MRI data. Malott used open-source software to convert the MRI scans to a 3D surface model which she then sliced and converted to robotic tool paths. The brain, weighing 75kg, was printed with recycled plastic pellets and took approximately 8 hours to print.

Malott used a commercial beta version of the robotic 3D print system developed and manufactured by AI SpaceFactory, winners of the 2019 NASA Centennial Challenge – 3D Printed Mars Habitat Challenge. The company states their robotic 3D printer is engineered for “push-button simplicity”, reducing the barrier to entry for large-scale additive manufacturing with industrial robotics. Malott received training to operate the robotic 3D printer from AI SpaceFactory, who provided supervision during printing. Ms. Malott is the daughter of the company founder, David Malott.

Student researcher robotically creates larger-than-life human 3D printed brain and plans to donate it to inspire studies in STEM.

According to Ms. Malott, MRI scans and 3D printing are similar in that they both utilize “slicing” — a method of encoding 3D dimensional objects as stacked, two-dimensional layers — but work in reverse. Where MRI deconstructs real-world objects into digital images, 3D printing starts with a virtual model and is then built up, layer by layer to become a physical object. 

Malott hopes that her research will help navigate between physical and digital imaging, paving the way for medical advancements such as robot-assisted surgery and 3D printing with biomaterials.

“We have a long way to go before 3D printing a living organ, much less something as complex as the brain”, states Malott, “but its implications would be life-changing.” In the meantime, Malott is starting the second phase of her research by developing 3D print materials with similar electro-conductive properties as white matter and gray matter — the organic materials which make up the brain.

Malott plans to donate the 3D printed brain to a museum or institution where it can help inspire younger children to pursue studies in STEM.

Student researcher robotically creates larger-than-life human 3D printed brain and plans to donate it to inspire studies in STEM.

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