chipped clear crystal cut edges edging embedded glassy light reflecting reflective rock sharp stone surface surfaced surfaces surfacing textured textures transparency transparent abstract appearance background blue color colored colors colour coloured colours inside interior internal Rendered rendering rough tactile texture uneven wall wallpaper angled artificial blanket diagonal diagonally diagonals picnic picnic-blanket ribbed ribbing rubber rubberised rubberized underside variations varied various waterproof cold coloration cool gaps icy layer outline outlined outlines partial slippery smooth thick thin growth hail hailstones ice path pathway pavestones paving scattered scattering shapes Sizes water weeds wet white external fired glazed glazing hard layered layers lumps lumpy molten pottery