U-MAKE is a "Frisbee" like flying ring designed for accurate throwing. Small versions are very light so the wind can affect the flight. Ring can be thrown indoors and outdoors ( just be careful inside ), LIGHTLY sand edges if needed to prevent it from cutting your hand. Have fun with this little toy! Default ring is 6" in diameter. Feel free to change size though i would not recommend anything smaller than 5".

Recommended to print in ABS but all plastic materials work, LIGHTLY sand edges if needed to prevent it from cutting your hand. You can sand the surfaces to make the ring more aero-dynamic (optional) but it flies fine fresh off the printer. ENJOY!