Abstract: A novel octagonal upright micro-pyramid structure was generated by wet chemical anisotropic etching on a monocrystalline silicon wafer (100). The primary objectives are to reduce front ...

The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The square-based pyramid, a shape which usually has four sides, is the most ...

Octagon shape symbol, black and white vector silhouette illustration isolated on white background Heptagonal Pyramid 45 degree. geometric shapes. Vector illustration of isolated on white. icon, print, ...