How to make a 3D printed rolling marble clock https://boingboing.net/2018/09/06/how-to-make-a-3d-printed-rolli.html …pic.twitter.com/KmxAoNWcJK
11:37 AM - 6 Sep 2018
0 replies
2 retweets
5 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.