New love of my life: Sculptris
It is pixologic's little brother to Zbrush, a great 3D sculpting
program. Unlike the bloaty (but great) Zbrush, Sculptris does
not have a learning curve at all. It focuses more on allowing
you to create 3D models more intuitively, and has a GUI that
makes a person stand up and say "That's how programs should
work! Just do what I think." It is 100% free, only weighs in at
3 megabytes, and runs quite speedily on my laptop.
http://www.zbrushcentral.com/showthread.php?t=090617
Link is the word 'here' at the bottom of the page.
"Whip me!" pleads the adom player. The rng replies... "No."