Two-dimensional (2D) shapes are completely flat. They have two dimensions – length and width. A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or ...

Looking at a series of ceiling photos I took, the equilateral hexagon pattern on the ceiling showed all-too-obvious elongation when snapped with the ultra-wide. Some textures exhibit sharpening ...

Tim Taylor Department of Chemical Engineering, Kansas State University, Manhattan, Kansas 66506, United States ...