The article discusses an innovative smartphone case designed by Japanese YouTuber @karakurist, which features a retro marble machine. This unique case for the iPhone 16 Pro is entirely 3D printed, including miniature gears and components, offering users a fun distraction from scrolling through social media. The marble machine operates using tiny 4mm ball bearings and is powered by the phone's USB-C port, eliminating the need for external devices. The design includes a safety mechanism to manage gear obstructions, ensuring a smooth play experience while being stylish and functional.
The smartphone case designed by @karakurist features a retro marble machine that is 3D printed, providing entertainment during social media breaks.
Created by Japanese YouTuber KARAKURI Channel, this unique case showcases a transparent maze where tiny ball bearings roll, powered by the phone's USB-C port.
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