BinaryKits.Zpl a set of .net libraries. The project supports you in the simple creation of zebra labels. It generates the ZPL data, it is a printer description language from Zebra Technologies. ZPL II is now emulated by many label printers from different manufacturers. So with this implementation you can create labels for most printers.
When label is generated for 4x6 inches the PDF downlaoded dont have correct sizes / paper format
The example_9 you can download and compare with labelary
When is downloaded the PDF have wrong params, it uses all A4, (no escaling)
If you download same label (4x6 inches) with labelary: (is correct without scaling must be only use a 1/4 of sheet)