Slip-box for DIN A6 notes

Pen and paper need to make a comeback. In today's highly digitalized world, where smart appliances and hyper connected devices blast information into your eyeballs more or less 24/7, slowing down and introducing small inconveniences can actually make you a better thinker. That's why I (a junior researcher in the humanities) keep a slip box and regular notebooks to manage my research. It makes me remember more, discover previously unseen connections in my study material. Plus it strains my eyes a lot less than reading off screens do. If you are in school, at uni, on a graduate program, tenured researcher or working in industry, consider giving the Zettelkasten method a try. It is, at least in my experience, life changing for the better. Anyway, here is my latest iteration of index card boxes that I keep my research notes in. As the amount of notes increases, the better I need my storage solution to be, so I'm going to drop new models as I make them. This one works well for n