The software environment zbrush2022,it is a solid closed model of triangular faces. The amount of poly of the model is relatively high. The poly amount have been reduced by the zbrush Decimation master. It is divided into two versions: the whole and the quarter circle. It also comes with an outer ring wrapping decoration. No UV and no material, the model size is 203.7*203.7*12.63mm, and the model outputs obj and stl general format .You can get more information from the preview pic.If any question please write to me.