Morteza Ahmadi shares a simple script he create for Maya which allows you to create and use metaballs easily for modeling and animation, setting up a little rig for Maya’s nParticles providing a simple and intuitive way to create and edit with metaballs.
Just a Simple Script That i Wrote for Making MetaBalls in Maya. You can make them without Using any Script but That will Take a little bit more time
This is a look at using the Metaball for Maya script, and shows its basic use. Morteza Ahmadi also provides the script for download on his site, check out the MetaBall Modeling Tool for Maya here.