TODO: remove the item about flexagon "backfaces", they are showed now
-rw-r--r-- 32 .gitignore
-rw-r--r-- 455 Makefile
-rw-r--r-- 840 README.md
-rw-r--r-- 197 TODO
drwxr-xr-x - contrib
drwxr-xr-x - src