A1+ Paper Drawings & Dimensions

A1+ Paper is not part of the A paper series since it does not follow the rules and aspect ratio of the ISO 216 international paper size standard. A1+ Paper instead uses the A paper series as a reference. A1+ Paper is sometimes used for technical drawings, flip charts, and posters.

A1+ 纸张并非属于 A 纸系，因其未能遵循 ISO 216 国际纸张尺寸标准的规则及比例。A1+ 纸张乃以 A 纸系为参照。A1+ 纸张常被应用于技术图纸、翻页图表以及海报之制作。