En Taro Artanis!
*Lights on! This costs around 3k yellow cubes.
*A static "ponytail" (nerve cord) is also included, which is hidden by default. Why? U will get it when he flies.
Lights-off version, which replaces yellow cubes with Titanium: https://www.dysonsphereblueprints.com/blueprints/mecha-purifier-artanis