Kite base is a simple base in origami but used in many important origmai models such as origami bird and swan.
This is the front side of paper.
It is somewhat shinier compare to the back side.
Here the back side of the paper is shown.
Let's start with a paper's back side facing up.
Prepare for a valley-fold along a diagonal line.
Apply the valley-fold of the step #1.
Prepare to unfold it.
Open the paper.
Prepare for two valley-folds.
Apply two valley-folds according to the step #3.
You've just completed making a kite base. The name "kite" is originated from the shape which resembles the kite.