Related by context. Frequent words. (Click for all words.) 72 hexagonal 63 rectangular 62 hexagons 61 lattice 61 hexagon 61 spherical 59 semicircular 58 conical 57 cylindrical 57 rectangular shaped 57 curved 57 octagonal 56 wedge shaped 55 ellipse 55 evenly spaced 55 concentric rings 55 alternating layers 55 geometrical 54 lattices 54 concave 54 rectangle 54 oblong 54 oval shaped 54 ridged 53 curvilinear 53 triangular shaped 52 concentric 52 varying heights 52 teardrop shaped 52 cone shaped 52 cube shaped 52 whorls 52 rectilinear 51 scalloped 51 rectangles 51 symmetries 51 torus 51 beveled 51 geometric 51 honeycomb 51 hemispherical 51 geometric forms 51 geometric pattern 51 fullerene 50 convex 50 columnar 50 helical 50 latticed 50 donut shaped 50 globular 49 trapezoidal 49 helix 49 nanoscopic 49 translucent 49 irregularly shaped 49 fluted 49 pyramidal 49 crescent shaped 49 waveguides 49 symmetrically 48 angular 48 triangle shaped 48 symmetrical 48 cantilever 48 diagonals 48 curving 48 checkerboard pattern 47 triangles 47 squarish 47 radiator grille 47 geometric shapes 47 Plexiglass 47 double helix 47 stamens 47 crystalline structure 47 curved surfaces 47 quadrilateral 47 indentations 47 canted 46 armature 46 buckyball 46 perspex 46 oddly shaped 46 striated 46 geometries 46 domed 46 interlocking 46 concentric circles 46 arches 46 Perspex 46 cantilevers 46 crystalline 46 metallic 46 arched 46 planar 46 shapes 46 perpendicular 46 cube 46 Curved 45 triangular 45 anisotropic