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With a £1000 grant from Santander, Poppy Mosbacher set out to build a full-body 3D body scanner with the intention of creating an affordable setup for makespaces and similar community groups.
First Scan from DIY Raspberry Pi Scanner
Head and Shoulders Scan with 29 Raspberry Pi Cameras
Uses for full-body 3D scanning
Poppy herself wanted to use the scanner in her work as a fashion designer. With the help of 3D scans of her models, she would be able to create custom cardboard dressmakers dummy to ensure her designs fit perfectly. This is a brilliant way of incorporating digital tech into another industry – and it’s not the only application for this sort of build. Growing numbers of businesses use 3D body scanning, for example the stores around the world where customers can 3D scan and print themselves as action-figure-sized replicas.
We’ve also seen the same technology used in video games for more immersive virtual reality. Moreover, there are various uses for it in healthcare and fitness, such as monitoring the effect of exercise regimes or physiotherapy on body shape or posture.
Within a makespace environment, a 3D body scanner opens the door to including new groups of people in community make projects: imagine 3D printing miniatures of a theatrical cast to allow more realistic blocking of stage productions and better set design, or annually sending grandparents a print of their grandchild so they can compare the child’s year-on-year growth in a hands-on way.
As cheesy as it sounds, the only limit for the use of 3D scanning is your imagination…and maybe storage space for miniature prints.
Poppy’s Raspberry Pi 3D Body Scanner
For her build, Poppy acquired 27 Raspberry Pi Zeros and 27 Raspberry Pi Camera Modules. With various other components, some 3D-printed or made of cardboard, Poppy got to work. She was helped by members of Build Brighton and by her friend Arthur Guy, who also wrote the code for the scanner.
The Pi Zeros run Raspbian Lite, and are connected to a main server running a node application. Each is fitted into its own laser-cut cardboard case, and secured to a structure of cardboard tubing and 3D-printed connectors.
In the finished build, the person to be scanned stands within the centre of the structure, and the press of a button sends the signal for all Pis to take a photo. The images are sent back to the server, and processed through Autocade ReMake, a freemium software available for the PC (Poppy discovered part-way through the project that the Mac version has recently lost support).
Build your own
Obviously there’s a lot more to the process of building this full-body 3D scanner than what I’ve reported in these few paragraphs. And since it was Poppy’s goal to make a readily available and affordable scanner that anyone can recreate, she’s provided all the instructions and code for it on her Instructables page.
Projects like this, in which people use the Raspberry Pi to create affordable and interesting tech for communities, are exactly the type of thing we love to see. Always make sure to share your Pi-based projects with us on social media, so we can boost their visibility!
If you’re a member of a makespace, run a workshop in a school or club, or simply love to tinker and create, this build could be the perfect addition to your workshop. And if you recreate Poppy’s scanner, or build something similar, we’d love to see the results in the comments below.
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