Rar: Fgronov

: Fold the left and right corners into the center crease so they meet in the middle.

You can make a standard envelope using a square piece of paper by following these steps from wikiHow : Fgronov rar

: Fold the bottom corner up so that it slightly overlaps the center where the side flaps meet. Top Flap : Fold the top corner down to close the envelope. Popular DIY Methods : Fold the left and right corners into

Could you clarify if you meant (the mathematician), a specific RAR archive file , or something else entirely? Popular DIY Methods Could you clarify if you

Depending on your project, you might prefer different styles:

However, if you are asking how to (a common topic for "making a paper covering"), you can follow these simple origami steps to create one without needing glue or tape. How to Fold a Simple Paper Envelope