Plastic bottles are the reason for the round bottom design

Why plastic bottles are round bottom design Why plastic bottles are round bottom design, today we are talking about this problem.
First, the mathematical point of view, cost savings. When the circumference is constant, the circular area is the largest, and the near circle can save raw materials. This is also the reason why the round was first promoted.
Second, the aesthetic point of view, long time ugly. The habit of growing up for a long time is more in line with aesthetics.
Third, the manufacturing angle, the process is simple. Whether it is glass or plastic, the round shape is relatively easy to make, other shapes need to be re-made, and the process is difficult to guarantee.
Fourth, behavioral perspective, easy to use. The round shape is in line with the human body and is easy to grip.