Symbol 6226 from IEC 60417 - Title/Meaning: Copying, margin 
Function/description: To identify the control to provide margin on a copying paper/material and to indicate the corresponding copying mode.
Own work using: iso.org/obp/graphics/grs/67cd5554-1a71-40ef-9f71-585560c1ad80 200.png
Vectorization:  Mrmw