First choose a pattern to print by clicking on it. When you see the pattern on your screen,
click on 'print' in the menu-bar of your internet-browser and the pattern
will be printed.
If you want to print the pattern for the leaves, first print the front-side
of the pattern. Then, let the ink dry for a while. Then put the same paper in your
printer again, make sure that the back of the paper is printed on this time.
Now, you can print the back-side of the pattern for the leaf.
You can also print the stem double-sided if you like, but this is not necessary.