PNG ICO ICNS MORE
Photography & graphic design
3D
32x32 Free Design Icons
cube, measure, ruler
Green
32x32
Education & science
Pretty Office 10
tools, Compasser, ruler
Black
512x512
Circle, ruler, Semi
ruler, Pen, pencil
Orange
triangle, ruler
Signs & symbols
Free 3d Glossy Interface Icon Set
school, tools, scissors
64x64
Aristocracy
ruler
Peru
48x48
Computer & hardware
iMod
measure, triangle, ruler
Mixed
Vista Style Base Software
ruler, measure, height
256x256
Discovery
template, File, ruler
WhiteSmoke
ruler, File, template
File, ruler
chart, File, ruler
DarkGray
Dark Glass
ruler, measure, Pen
128x128
ruler, graphics, school
DarkSlateGray
UI
Nuvola
measure, ruler
Gold
scissors, triangle, ruler