Kind of cool. Not a lot of projects actually publish how they build these, just that they did. Archive: https://archive.today/eFzeG From the post: "This robot solves the Rubik's cube in less than 90 seconds: Not fast, but again ... it's rather simple and inexpensive. You can get an impression at https://youtu.be/ZVbVmCKwYnQ. Further robot info at: https://www.instructables.com/CUBOTino-a-Small-Simple-3D-Printed-Inexpensive-Rub/."