tūduōmiàntǐ
ㄊㄨ ㄉㄨㄛ ㄇㄧㄢˋ ㄊㄧˇ
Simplified 凸多面体
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 凸多面體 and it comes back until you know it.