Origami Bookmark

Step 1: Basic Folds

Bring top right corner to left bottom corner
Crease
Open
Bring too left corner to bottom right
Crease
Open

Step 2: More Folding

Bring top left corner to the middle
Crease
Bring bottom right corner to the middle
Crease
Then fold the whole thing in half as shown

Step 3: Fold Sides Down Center

Fold both sides of the model down the center crease
Flip over

Step 4: Folding Flaps Into the Middle

Slightly open top
Fold the two flaps into the middle

Step 5: Done

Your bookmark is done and fits snug on corner of any book pages