Only with a pencil, ruler and protractor, without the help of a computer, Venezuelan artist Rafael Araujo creates complex fields of three dimensional space where butterflies come to life and shells rise from mathematical spirals.
This macro photography is a cross section of a plant stem. Various tubes are evident varying in size and roughly resembling a honeycomb. A star is distinguishable in the center occupying the largest of cells.
Vascular plants (including flowering plants and trees) use specialized vessels to transport water and dissolved substances to and from every leaf, flower and root. Microscopy and photography by Eckhard Völcker; definitely worth a visit.