CERO is a finger tool that helps you hold your phone one-handed while lessening the strain of the task on your little finger.
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Rapid Prototyping: Iterative Design
 Models were 3D printed to test the real-world comfort of the ring, as well as the effectiveness of the central groove in holding up a user’s phone.
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Phone Holder Ring - Diagonal 45 Thin Profile v2.JPG
Final Product
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