FilamentSpool bearingTable

I aimed at the spool table where a filament spool with the various sizes can be set easily.
A revolution in a spool table goes around lightly by 1 BB ball.
A filament is supplied smoothly by letting a hole of a coin which has a hole like a 5 yen coin and a 50 yen coin through.
A coin is to change according to the top and the bottom, and slack of a filament also disappears.

Please prepare 1 coin with a hole like 5 yen coin and 50 yen coin.
Please prepare 1 BB ball of an air soft gun.