crystal forms of the tetragonal system ,tetragonale pyramide ,simple four-sided pyramid aligned with the primary axes. - 多面體 幅插畫檔、美工圖案、卡通及圖標
a hemimorphic crystal of hemimorphite, characterized by its distinct polar symmetry. - 多面體 幅插畫檔、美工圖案、卡通及圖標
star tetrahedron ,formed by two interpenetrating tetrahedra. this geometry is often seen in minerals like diamond or fahlore (tetrahedrite). - 多面體 幅插畫檔、美工圖案、卡通及圖標
layered translucent pink and purple polygon shapes form a glowing geometric composition on a white background with a soft gradient center. - 多面體 幅插畫檔、美工圖案、卡通及圖標
illustration featuring silhouettes of people and geometric shapes. abstract illustration. - 多面體 幅插畫檔、美工圖案、卡通及圖標