Featured image of post Chart Paper Side Design - The dimensions of the a series paper sizes are defined by the iso 216 international paper size standard.

Chart Paper Side Design - The dimensions of the a series paper sizes are defined by the iso 216 international paper size standard.

The smooth side will need a smoother drawing instrument like a pen where in the ink flows out whereas the rough side will need an instrument that makes mark by depositing the graphite (in case of a pencil) on.