Here are different ways to open various locks with a paper clip.

Great paper airplane designs.

Great artworks made out of paper.

This is how you make a single paper book. Doesn’t look very useful.

It’s all the matter of perspective.

Amazing artwork created by shaping or combining different types of papers with a great precision.

Amazing examples of origami paper art.

Amazing office made of paper.

Collection of unusual and weird toilet paper designs.