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Scientists create soft robots able to walk out of the printers which made them

Scientists have created soft robots able to walk straight out of the machines which made them. The flexible, four-legged devices were developed using a new 3D printing system with an innovative method of upside-down printing. Advertisement Soft machines – made from compliant materials such as soft plastics – have huge potential for use in areas such as nuclear decommissioning, the biomedical sector and in space, researchers said. The soft robot is attached to air and then walks off the machine which made it (Maks Gepner/Edinburgh University/PA) A lack of scalable manufacturing and standardised design causes technical and financial barriers to the use of such devices, the scientists said. The Edinburgh University team from sought to overcome these challenges by developing a low-cost, desktop 3D printing system for creating soft robots. Their user-friendly setup can be assembled for under €500 using off-the-shelf parts. Advertisement The team demonstrated the capabilities of their new system by creating robots made from a soft plastic material and powered by air pressure. Once printed, the robots are connected to a compressed air supply before walking out of the machine on which they were made. The researchers believe this could pave the way for the use of intelligent soft robotic systems with no electronic parts. Lead engineer on the project, Maks Gepner, said: 'It used to take years to figure out how to print using these materials. Advertisement 'Using our new platform, anyone can now easily print things which were previously thought to be impossible. 'This is a game-changer for engineers and artists alike. 'Our hope is that this technology will help drive the next wave of research breakthroughs. 'Without the long-standing manufacturing and design bottlenecks holding it back, we believe soft robotics is ready to make a major real-world impact.' Advertisement Mr Gepner was supported on the project by fellow PhD student at the Centre for Doctoral Training in Robotics and Autonomous Systems, Jonah Mack, and lead academic Professor Adam A Stokes, head of the university's Institute for Bioengineering. World Thousands of humanoid robots take part in half mar... Read More Building and operating their new system – known as the Flex Printer – requires little prior knowledge, with first-time users able to assemble it and begin making robots in just a few days, the team said. They have made their designs publicly available to broaden access to soft robotic technologies and to help foster collaboration and improvements to the system. The findings are published in the journal Device. The research was funded by the Engineering and Physical Sciences Research Council. Advertisement