Hatebu icon

Icon(favicon) of 'Hatena bookmark'. (http://b.hatena.ne.jp/, abbreviation:hatebu, pronounce like:hat-A-bull)
size: (W)30mm
'hatebu_icon__30mm_6mmoff.stl': with 6mm offset and helper discs. Print with support for your 3DP.

version 2: http://www.thingiverse.com/thing:554629