If you play Golf and like Batman start marking your balls with this easy to use stencil. Just pop it on and fill it in with a sharpie. You may wonder what the reason for use is so let me explain... if you are playing with a group of people and others are using the same ball you are you will need to be able to tell them apart. This is the tool to mark your ball cool and easy. "that is if you like batman". (This stl solid file was made in inch" so you will need to make sure you bring this file into your software that way so it will fit onto your standard Golf ball.)