Ihe Egwuregwu Nrụpụta RenyiTong bụ ihe egwuregwu nrụpụta e ji ihe njikọ okirikiri nke akụkụ atọ (three-dimensional) mee. Ihe nhazi a na-eji opekempe ihe ndị dị iche iche isii (asatọ) rụọ ọrụ. A pụrụ ijikọ akụkụ ọ bụla n'ime okirikiri iji mepụta ihe oyiyi nke akụkụ atọ. A pụrụkwa ijikọta ọtụtụ akụkụ ndị a iji wuo ihe oyiyi akụkụ atọ ndị ka mgbagwoju anya. A na-eji oghere kọlụm (column holes) jikọta akụkụ ndị ahụ. Echiche mmepụta a sitere n'ụkpụrụ Tai Chi na Mobius strip, ndị abụọ a na-akọwa okirikiri na-adịgide adịgide. A na-emepụta RenyiTong site na ụzọ ntinye ihe stereolithography 3D. E bulitere ihe egwuregwu a maka mmụta, ma nye ụmụaka ma nye ndị okenye.
Aha oru ngo : RenyiTong, Aha ndị na-emepụta ya : Yang Chao, Aha onye ahịa : Yang Chao.
Ihe ukwu a bu ihe nmeri nke mmeri ọla n’iru n ’ulo, ulo na mpi n’ ulo oru. Ga-ahụrịrị ihe nrịbaama nke nenweta ihe nrịba ama nke ọla kọpa iji chọpụta ọtụtụ ihe ndị ọzọ, ihe ọhụụ, ihe okike na nke okike, ụlọ na arụpụta ihe eji arụ ọrụ.