The below sample shows a name badge that will be printed on paper using a consumer based Inkjet printer. The dimensions an inkjet printer can print is from B7 (smallest) to A4 (biggest) size.
NOTE: It is always recommended to leave the background around the QR code in white and avoid any texts or images near it.
This is to help facilitate the scanning process as any extra elements might interfere with the reading of the QR / Barcode.
Lastly, edge to edge printing can be done but takes about 30-60 seconds. Hence, for printing onsite, we normally use standard (border) printing.