Finalizing leg chains

- Now let's go ahead and finalize…these joint chains.…Now I've got this stretching leg here,…this is the one that was created with expressions,…but as you can see, it's stretching fairly nicely.…But one of the things that's not happening is…that we're not stretching it volumetrically,…so when you stretch along one axis you have…to shrink it along the others.…So let's go ahead and do that.…In this, we need to create a little bit…of an expression here, so I'm going…to go ahead and select the IK01 chain,…and under Windows I'm going to go…into Animation Editors, Expression Editor.…

I've got this expression here on scale…and that will go ahead and lengthen it…but as it lengthens I need it to shrink along…the other two axes.…The easiest way to do this is just to use…this as a source of another expression.…So I'm going to go ahead and just copy this…and go into Scale Y, and then I'm going…to go ahead and paste that, so I want my Scale X…to be what's driving Scale Y and Z.…I'm going to go ahead and select Scale Y here,…