Who needs paper cutters? Most origami models begin with a square piece of paper. So, if you didn't buy square origami paper, then you need to cut your paper into the shape of a square. Click here to learn two easy ways to make a square from a rectangle.
How to Cut Paper
The simplest way to cut paper is with a pair of scissors. Alternatively, you can use a sharp knife and slice along the inside of a folded edge. This may leave an undesirable jagged edge.
You can also bring your paper to a photocopy store. These stores have commercial-grade machines that can easily slice a realm of paper for less than $5. This choice is perfect if you need to cut paper for a large group such as a classroom.
About Paper Cutters
If you are a serious paper folder, you might consider investing in a paper cutter. There are two kinds of paper cutters: the guillotine type and the razor type.
Guillotine paper cutters can be dangerous especially if you have young children in the house. The chop-chopping action of the lever can do much damage to a hand or a finger if it is in the way. The razor-type paper cutters appear to be more safe however, they too can penetrate tender skin. Of course, exacto knives are very dangerous and should always be stored away from children's reach.
Most good paper cutters are relatively expensive: $30 to $100+, but Friskar sells a small, personal paper cutter as cheap as $10. A word of warning: you get what you pay for. The small, personal paper cutters have their limitations:
Generally, the more you pay, the better is the paper cutter.