Here is an example of what Dave was suggesting to create the actual filament. The is a poly helix primitive that has be deformed using a non-linear bend deformer to fit through the anode, cathode, and stand-offs.
You can use the neon example above to add a incandescence, color, and glow intensity to it.
"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675
Last edited by ctbram; 02-05-2012 at 06:10 PM.