縮小率 90%、渦巻きの本数 60本の時、ちょうど渦巻きの角度は 45度となる。pic.twitter.com/qspDPEQMdL
9:47 PM - 14 Jan 2017
0 replies
0 retweets
2 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.