You're throwing different unrelated things in the same pot. 3D Stroke operates on masks, not paths. Masks are aalways tied to the layer and since AE layers have no dimensionality, always stay flat. Hence what you wanna do is not possible with the method you chose. If you want a stroke in 3D, you'd have to create a genuine 3D path with a 3D Null object or light, then have a 3D particle system like Particular render the trail by defining the 3D layer as the emitter.
Could you walk me through doing the 3D path creation with the null object and so on ? I'll look up how to do this as well, but the more input I could get on the above, the better. Thanks for any help you can lend Mylenium.
I was able to get it to work with the 3D null and a fair amount of patience !!! Very Cool !!! Thank you for pointing me in the right direction MYLENIUM !!!!
You might also search for Light Path or Light Streak tutorials for After Effects. After some AT&T or Sprint commercials used the technique several years ago, couple fo pwer users wrote engaging methods to emiulate the technique.