After finalizing my order, I upload the assembled PDF document to my personal area.
My PDF document contains the 16 scanned documents, 8 for the front and 8 for the back.
This PDF document allows you to print your 16 sheets directly on your A4 printer.
Printing should preferably be done without borders
Arrange your 8 A4 sheets on the front
First assemble the A4 sheets two by two (gluing)
Gather your 4 sheets A3 Recto
Adjust the A3 sheets
Assemble the sheets (collage)