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A research team has developed a new 3D printing technique for cable-driven robotic systems, specifically focusing on creating fully printable cables with integrated features like ratcheted mechanisms. By designing four basic motion components – bending, coil, screw-like, and compressive – they’ve enabled the creation of complex structures like gripping tentacles and a walking robot. The key innovation lies in the ability to print the cables themselves, requiring careful printer settings to avoid issues like layer separation, and nylon filament proved to be the most effective material for achieving the desired strength and flexibility.