Object = a thing?

Object = a thing that you can see or touch but that is not usually a living animal, plant or person?

render = depict?

Context:

Top row, three different RNA objects rendered from molecular computer models: from left, RNA antiprism composed of eight RNAs, a six-stranded RNA cube, and a 10-stranded RNA cube. Bottom row, the corresponding three-dimensional reconstructions of the objects obtained from cryo-electron microscopy. (Credit: Cody Geary and Kirill A. Afonin)

More:

http://www.sciencedaily.com/releases/2010/08/100831164941.htm