DescriptionPetrial octahedron.gif 中文(臺灣):皮特里正八面體 Date 7 August 2020 Source Own work Author A2569875...
DescriptionFace of petrial octahedron.gif 中文(臺灣):皮特里正八面體的面,正扭歪六邊形 Date 7 August 2020 Source Own work Author A2569875...