An Elllix baffler was a component piece of mid-24th century Starfleet starships.

In 2368, after the USS Enterprise-D was crippled in a collision with a quantum filament, Lieutenants Kieran Duffy and Sonya Gomez used an Elllix baffler from inside the ship's Jefferies tubes to build a jury-rigged P-38 and rescue six trapped engineers. (SCE eBook: Many Splendors)