Related by context. Frequent words. (Click for all words.) 60 loops 55 lattices 55 vertically stacked 55 helices 53 geometries 53 helix 53 helical 52 geometric 52 double helix 52 geometrical 51 geometrical shapes 51 whorls 51 diagonals 51 shapes 51 hollow tubes 50 textured surfaces 50 tetrahedral 50 silicon atoms 50 trapezes 50 sinuous 50 pilasters 49 perfectly symmetrical 49 geometric shapes 49 pentagons 49 scrollwork 49 armatures 49 hexagons 49 gently curved 49 sawtooth 49 motifs 49 varying heights 48 irregular shapes 48 nanosized 48 apexes 48 hexagonal 48 triangles 48 cantilever 48 cruciform 48 chainrings 48 curved surfaces 48 filigreed 48 DNA strands 48 chordal 48 pentagonal 48 striations 48 arabesques 48 undulating 48 lattice 48 geometry 48 rectangles 48 salt crystals 47 striated 47 serpentine 47 spiral staircases 47 nitrogen atoms 47 splines 47 substructures 47 actin filaments 47 evenly spaced 47 inchworm 47 strands 47 curvatures 47 insets 47 undulations 47 DNA double helix 47 latticed 47 nanoscopic 47 vertices 47 uncoiling 47 cambered 47 lacework 47 chainstays 47 conical 47 geometric designs 47 marbleized 46 undulate 46 geometric pattern 46 catenary 46 nanomachines 46 flagellum 46 concentric 46 collagen fibers 46 stalagmites 46 rhythmic patterns 46 cabochon 46 rectangular shaped 46 abstract shapes 46 Chromosomes 46 Fractals 46 crankset 46 biological molecules 46 cantilevers 46 bilayer 46 biomorphic 46 chromatic 45 organic inorganic 45 sinuously 45 latticework 45 whorl 45 pediments 45 cusps