![Dean Eckles on Twitter: "Shape rotators have failed us? (Reminds me of having to move a sofa through a window after failing to get it through two different doors, despite the help Dean Eckles on Twitter: "Shape rotators have failed us? (Reminds me of having to move a sofa through a window after failing to get it through two different doors, despite the help](https://pbs.twimg.com/ext_tw_video_thumb/1490710824050118656/pu/img/hGl7hsE5s2C8Ormj.jpg:large)
Dean Eckles on Twitter: "Shape rotators have failed us? (Reminds me of having to move a sofa through a window after failing to get it through two different doors, despite the help
![ykallus@mathstodon.xyz on Twitter: "Improved upper bounds in the moving sofa problem, now on the arXiv: https://t.co/Le949yGsNU https://t.co/eWgdXSCaoR" / Twitter ykallus@mathstodon.xyz on Twitter: "Improved upper bounds in the moving sofa problem, now on the arXiv: https://t.co/Le949yGsNU https://t.co/eWgdXSCaoR" / Twitter](https://pbs.twimg.com/media/DC4pFcwVwAAHO8e.jpg)
ykallus@mathstodon.xyz on Twitter: "Improved upper bounds in the moving sofa problem, now on the arXiv: https://t.co/Le949yGsNU https://t.co/eWgdXSCaoR" / Twitter
![UC Davis Mathematician Uses 3D Printing to Deliver New Insight into Moving Sofa Problem - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing UC Davis Mathematician Uses 3D Printing to Deliver New Insight into Moving Sofa Problem - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing](https://3dprint.com/wp-content/uploads/2017/03/sofa.png)