Well this is my first instructables. Many complains about this one is too hard. So I try to fix it and make it more simple. And this is the result. I think this one is better than the previous. Some steps are the same, but i remove the big open-sink fold.
Step 1: : Materials
All you need is just a square sheet of paper. I recommended 21 x 21 cm papers. Colors doesn't matter. In this model, I use plain paper.