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AMS Spring 2023

This Is Your Brain On 3D Printing

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You can 3D print your own brain.

You can 3D print your own brain… Abby. Abby Normal. [Still from ‘Young Frankenstein’]

If you’ve been through the experience of having a complete MRI brain scan, and you’re not squeamish about such things, you might be interested in building a scale model 3D print of your brain itself.

That MRI scan data means you now have the option to print your brain.meshlab brain scan file

As for that MRI scan, you’ll need the sort of scan free of surrounding structures, and a radiologist can create a range of scans and analysis for the various elements of tissues.

Why you’d do this without significant motivation is anyone’s guess, but author and editor Richard Baguley went that route. He says once you request DICOM data of your brain, it’s possible to ask for a CD which includes the various scans, or failing that, go straight to your doctor to make the request–as the patient, it’s within your purview to ask for these files.

DICOM, or Digital Images and Communications in Medicine, data represents an open format which can be utilized by a range of medical systems.

Magnetic Resonance Imaging itself is amazing technology which uses a powerful magnetic field to react with the atoms of the human body to create a radio signal, and by shaping the resulting magnetic field, the MRI can map and capture the structure of the brain and its varying tissues and blood vessels.Image 807

Baguley says converting the images for 3D printing can be done via a host of free and open source software such as Slicerweb, Osirix, 3DSlicer and Invesialus. He uses InVesalius in his tutorial, finding it the most simple package to take on the task.

His step-by-step description of the process results in an .STL file, but he says there’s a bit of work left to be done after that. He uses MeshLab to clean up model up prepare for printing.Brain Scan 3D Print

Ultimately, Baguley printed out his version of his brain via Cura and a Lulzbot TAZ 5 printer.

“I was quite pleased with how my print turned out. The convoluted texture of my grey matter was well captured and printed on the top of the brain, but the similar texture on the side wasn’t quite as clear,” Baguley says of the finished article. “That’s probably because of the way the scan was processed. I could get more detail on the side by using other scans and combining the results.”

He adds that with a satisfactory 3D model complete, he may well print it in a flexible plastic or laser-cut it from wood to produce an interesting ornament…because what do you really do with a 3D printed brain?

“Now I have the 3D model, the possibilities are endless. I could print it in flexible plastic to give my cats an amusing toy,” Baguley suggests cheekily. “I could laser-cut it out in wood to produce an interesting ornament. Or I could do a small print to have available the next time someone asks to speak to the brains of this organization….”

Baguley has been writing about technology for more than 20 years and his credits include work in Wired, Macworld, USA Today and Reviewed.com. You can read the exceptionally detailed documentation Baguley created for his Brain Printing Project here on Hackaday.

brain[Source: Hackaday]

 

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