You can directly purchase floppy dick notebook from online stock, but if you have retired 3.5"s, why don’t you make your own ?
Diaphane, a female maker living in Germany created these beautiful floppy disk notebooks with vibrant colors. as we can see from the images, each notebook consists of two retro 3.5-inch floppy disks and 50 square papers measuring 9 x 9cm. You also make this kind of geek notebook? Fortunately, Diaphane has published the whole making steps, and it’s not so hard. Well, jump to instructables for more details.
Of course, if you don’t want to spend much time on it, you may like to check the completed floppy disk notebook.