Are you OCD? If so, this is for you!

[W5GA]

Some people have too much time on their hands.

http://www.dailymail.co.uk/news/article-2032812/The-OCD-chopping-board-etched-lines-perfectionist.html

[W1GUH]

Perferct for the Anal Retentive Chef! (http://snltranscripts.jt.org/88/88panalchef.phtml)

[n2ize]

It might be useful for the student of Geometry.