To make an A3 document in Illustrator, open the file in Illustrator and click the “A3” button in the toolbar. The “A3” button is the third from the top on the left side of the toolbar.

A3 is roughly equivalent to a U.S. Letter size paper.

In Illustrator, go to File > Print. In the Print dialog box, select the A4 paper size and the desired margins.

There are a few ways to print large Illustrator files. One way is to use the Print command in Illustrator. You can also export your file as a PDF or EPS file and then print them using a printer that can print these types of files.

To change the size of a document in Illustrator, you can use the Scale tool (Window > Scale).

A3 paper is 297.4 pixels wide by 420.8 pixels high.

There are a few ways to print A3 size. One way is to use a printer that can print on large sheets of paper. Another way is to use a photocopier that can print on large sheets of paper.

A3 is typically printed at 300 dpi. For most uses, a resolution of 72 dpi will be fine.

A3 paper is approximately 11 inches wide by 17 inches long.

There is no direct way to print A3 on an A4 printer. The most common workaround is to print the document at a higher resolution or to print it on multiple sheets of paper.