Source: www.flickr.comUploaded to Flickr by Florian Hardwig and tagged with “plutooutline”. License: CC BY-NC-SA.
“Wooden xylophone” – this pleonasm on the cover of a music notebook comes in Pluto, colored in for a stronger three-dimensional effect. With one letter per wooden bar, and with bars of decreasing length, this application qualifies for the monospaced and staircase glyphs tags.