I have images containing multiple cards for my game - OptrixAU/printathome-python GitHub Wiki
Creating a Deck
To begin creating a deck of cards, create an empty folder in the same directory that you installed printathome. Give it a descriptive name, but avoid spaces (the program works with spaces, it's just irritating to put quotes in all the time!)
Copy your source images (the images containing the card artwork, in one of the accepted Image file formats) into the folder. These should all be the same size and have the same layout.
Next, you'll need to create an extractor to split your original image up into individual cards.
An extractor is a vector graphics (.SVG) file that tells PrintAtHome where the cards actually are. You create white rectangles in the image for your card fronts, and (if you have fronts and backs on the same image), you use black rectangles for the backs.
More detail can be found in the extractor documentation
After you have an extractor, you can set up some advanced settings, such as a mask.
There are a few [special files]] you can set up. This is also where you can set up a [card back.
Once the files are in place, you will then need to...