For this cover image, mean diameter (here n=24 dodecamers that can be measured with a perimeter of a circle touching the CRD of three of the four dodecamer arms) will be adjusted to the scale supplied by AFM images for which there is a micron marker. The mean diameter of dodecamers from 10 images was 145nm, (see previous posts) and will be individualized for each dodecamer here when analyzing height (LUT) plots.