+A3 defines a substantial sheet of [Paper](/wiki/Paper) within the ISO 216 international standard, larger than its common sibling [A4](/wiki/A4). It offers ample space for detailed diagrams, expansive layouts, or vibrant presentations where a broader visual field is desired.
+## See also
+- [ISO 216](/wiki/ISO_216)
+- [Paper Size](/wiki/Paper_Size)
+- [Printing](/wiki/Printing)
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