Three square is the most solid, why is the stool square?
Note: the first solid is the firm structure, the second strong user experience, the different concept
The triangle is good, if do better to make it square or round, in the same area, the triangle supporting feet to the small size, easy to sit down in the above shaking (large area is not easy to do, there is no firm) square
Two concepts, the Triangle refers to its firm, firm structure, people sitting on top is another prison is not strong.
