As you should have been able to work out just from its name, SculptyPaint is a small free program to create 3D images.
Any alteration done in SculptyPaint is automatically viewed, and in case of a mistake there is the useful Undo option. It has three rendering options (64x64, 32x32 and 16x16), that you can choose according to your needs. The resulting images are saved in PNG format.
This SculptyPaint program is very easy to download, install and then use, through its friendly and intuitive user interface. You don't need any technical experience at all to get the most out of it.
So there you have it. If you want to create 3D images quickly and easily, then you need a program like this SculptyPaint. And best of all is that you can download it for free! What are you waiting for?
NOTE: SculptyPaint requires Java Runtime Engine 1.6 or higher installed on your system.