Scott Englert updates his Push Pull Constraint for Maya 2012 windows 32 bit. the sePushPullConstraint for Maya allows you to have three transforms and with the push/pull you can grab the main and the other two will follow along -Its a type of constraint that keeps the constrained object a specific distance from the target, allowing it to pull or push the other around. Check out the update for Maya sePushPullconstraint for Maya 2012 here.
Scott Englert writes: It’s been a while but wanted to announce I compiled the sePushPullConstraint plugin for Maya 2012, windows 32 bit. I can’t compile windows 64 bit yet, so I’m sorry those who want it. You can still use the Python version if needed. When I do get a 64 bit version compiled, I will add it to the zip file.