Terracore Grey Contour Relief Abstract 3D Wall ArtDescription The Terracore Grey Contour Relief Abstract 3D Wall Art is a contemporary dimensional wall piece built around a topographic contour line composition layered, wavy white relief lines flowing across a textured grey background to produce the cartographic relief effect that gives the piece its name. The white contour lines are raised off the grey base in genuine three dimensional relief, casting subtle shadows across the textured surface and