This model was created to show a workflow on how to do quick photoscan using Agisoft PhotoScan. The tutorial is available here ( only in French ) : http://fr.tuto.com/photoshop/les-fondamentaux-du-photoscan-photoshop,49366.html
With this tutorial you can learn easily how to create your own photoscan, even using only free software like 123D Catch !
This object is a small piece of a tree, it was done using Agisoft Photoscan. You can download this piece and play with it !