The script will apply the matcap selected to objects.
The matcaps are custom image like the Zbrush's matcaps.
You can export the matcaps from Zbrush, or your custom images, than put the img files into "MATCAP" folder.
For personal use and one commercial project (up to 2,000 sales or 20,000 views).
One copy to be used by a single user.
One installation by a single user.