Origami cup is very simple to fold. Do you need to make your own paper cup? Such a cup can serve for example for carrying loose things (seeds, spices, …) or even for drinking water. Yes, it only lasts a while before it gets wet, but it certainly fulfills its purpose and then you can simply throw it away. Moreover, it is a fully recyclable ecological cup :-). Here’s a simple guide on how to make a4 paper cup.