Learning how to do this activity will likely incorporate these two basic folds in most projects. As an individual advances in the art of origami, these basic folds will frequently be required for many projects. Folding paper may sound boring to some people but for thousands in the world the folding paper or the art of origami, has become quite significant. People who are having emotional and mental problems sense a feeling of acceptance while being taught the art of origami. Realizing someone is willing to take the time to teach and show them how to do this activity promotes positive emotions. When origami is demonstrated in a group setting, it helps the troubled individual experience a sense of belonging. These creases show definite patterns of triangles, rectangles and other shapes. The geometric study of the crease lines over the last twenty-five years has paved the way for the discovery of new bases. Not all designs are combinations or parts of other bases; some like the box pleat are completely original. They type of paper used for origami would depend on the project. For simple projects such as a paper airplane or a crane, normal copy paper (19-24lbs) is sufficient. For people who are learning this art, using normal copy paper would likely be a smart idea since it would be less-expensive than buying fancy origami paper. Most everybody is able to carry out this activity. However there is certainly a requirement for imagination, creativity, mathematical knowledge and patience. The challenging aspects of origami require much thought and logic. Actually folding paper is not difficult but depending on the level of origami, completing an entire project can be tough. Origami as a hobby can be time-consuming if a person gets into the advanced forms of the art. Origami can begin as a hobby but turn into an obsession. Some people get so involved in their projects and developing their origami skills. Once they begin to design their own origami compositions, people find themselves entering contests and competitions to showcase their work.