Customizable Remix of Key-Kitty Chain Ring

This is a remix of: http://www.thingiverse.com/thing:51350

I wanted to make the key ring hole bigger, but ended up making quite a few variables customizable. You can either use thingiverse Customizer to make your own version or use the openscad source on your computer. The variables should be well commented. There are other options for writing text as well as using other fonts if you want to use the openscad source on your computer. I was not sure how well Thingiverse customizer would wor