A4 Snap frames. R=1+sinθ. 🇦 🇧 🇨🇫 🇬🇭 🇮 🇯 🇰 🇱 🇲🇳🇴 🇵 🇶 🇷🇸🇹 🇺 🇻 🇼 🇽 🇾 🇿.

Flugiland english.