Self-Destructing Separator

[NexusLink]

Does anyone know of a mod that adds a separator style part that, when activated, destroys itself in a poof of smoke rather than simply sitting around afterwards?  I know that I saw it in a mod that I had around 1.1.3 or so, but I no longer have the same mods, so I do not know what mod had the part, and I have not had any luck googling around for the part.  Also, how would one go about programming a part that deletes itself upon staging trigger, anyway? (in case the mod with the part no longer exists/is up to date)

[DStaal]

This isn't the separator itself, but you can add it to the separator or the stage it's attached to:

 

[NexusLink]

I'm pretty sure that that is not the same as what I previously found, but it serves the same purpose — thanks for your help : )