These allowed for a natural spring in the dog’s legs, almost like the suspension of a car, except the springiness could also be controlled in real-time by altering the way the motors were driven using software. So what’s changed since openDog V2? During the development of the previous iteration, Bruton discovered that the most agile robotic dogs were the ones that had back-drivable gear trains.
I will eventually publish the CAD and code as open-source when it works.” James Bruton next to openDog V3, which is still in development. So it’s time for openDog V3 – this version uses my Cycloidal Drives which I’ve developed over the last few months. The last working robot dog I built is openDog V2, which works okay. Besides the motors, bearings, and a few other components, the robot can be 3D printed entirely on a low-cost FDM system like the LulzBot TAZ Workhorse Bruton happens to use.īruton said, “Many of my regular viewers will have seen my robot dog development over the last few years. XRobots’ James Bruton, a robotics engineer and 3D printing YouTuber, has commenced work on V3 of his 3D printed robotic dog.ĭubbed openDog, the open-source project has been running for a couple of years now and is intended as a more accessible, cost-effective alternative to Boston Dynamics’ Spot (which retails at ~$75,000). The 2021 3D Printing Industry Awards shortlists are now open for voting until the 20th of October.
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