WTF Fun Fact 13622 – 3D Printed Robotic Hand

A significant leap in 3D printing has emerged from ETH Zurich and a U.S. startup. They’ve created a robotic hand that mimics human bones, ligaments, and tendons. Unlike traditional methods, this innovation uses slow-curing polymers. These materials offer improved elasticity and durability.

Led by Thomas Buchner and Robert Katzschmann, the project utilized thiolene polymers. These materials quickly return to their original form after bending. Hence, they are perfect for simulating a robotic hand’s elastic components. This choice represents a shift from fast-curing plastics, expanding the possibilities in robotics.

Soft Robotics for a Robotic Hand

Soft robotics, illustrated by this 3D-printed hand, brings several advantages. These robots are safer around humans and more capable of handling delicate items. Such advancements pave the way for new applications in medicine and manufacturing.

The project introduced a novel 3D laser scanning technique. It accurately detects surface irregularities layer by layer. This method is essential for using slow-curing polymers effectively in 3D printing.

ETH Zurich researchers collaborated with Inkbit, an MIT spin-off, for this venture. They are now exploring more complex structures and applications. Meanwhile, Inkbit plans to commercialize this new printing technology.

This breakthrough is more than a technical achievement. It marks a shift in robotic engineering, blending advanced materials with innovative printing techniques. Such developments could lead to safer, more efficient, and adaptable robotic systems.

Educational and Practical Benefits

The success in printing a lifelike robotic hand has implications for both education and industry. It bridges the gap between theory and practice, potentially revolutionizing robotics in various settings.

The ability to print intricate robotic structures in a single process opens doors to futuristic applications. Robots could become more common in households and industries, enhancing efficiency and convenience.

This milestone in robotic engineering demonstrates the power of innovation and collaboration. As we enter a new chapter in robotics, the possibilities for applying this technology are vast and exciting.

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Source: “Printed robots with bones, ligaments, and tendons” — Science Daily

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