Sunshine, glitter and ice cream cones? Conifers were selected for their evergreen nature, cones and berries. Favoured shapes included leaves, spirals, cones, and bunches of grapes. Filaments are stretched and wound onto beams, cones, or bobbins ready for use. Design geometry typically consists of shapes bounded by planes, cylinders, cones, tori, etc. The scales of its cones lack spines. The retina of catfish are composed of single cones and large rods. Softwood reproduces using cones and occasionally nuts. The field consists of volcanic maars and basaltic scoria cones. Examples of geons include cones and spheres. Flank eruptions, mostly in the form of parasitic cinder cones, ceased in 1707. The cones and pollen are not themselves sexual organs. Gymnosperms have their archegonium formed after pollination inside female conifer cones (megastrobili). They receive inputs from intermediate numbers of rods and cones. Several subsidiary cones and tuff craters lie within the caldera.