FDCD40EB-5796-4A84-A634-265FDE0D463EPublished October 5, 2021 at dimensions 955 × 727 in Exploring centers – the external shape affects the internal function. https://zhongdingtaichi.com/wp-content/uploads/2021/10/FDCD40EB-5796-4A84-A634-265FDE0D463E.jpeg