Surprisingly strong illusion here, where the human mind wants to see faces like they're supposed to be, not as a concave ‘face shaped hole’.

Hard to believe this is inset and not jumping out of the print.

https://en.wikipedia.org/wiki/Hollow-Face_illusion

Used MDickinson1's robot face,

https://www.thingiverse.com/thing:49281 and this frame,

https://makerworld.com/en/models/13200#profileId-13610

Seems to be the strongest when lit from below, or the side, viewed from a couple meters away. The illusion is actually so strong, for me anyway, I can see this AI turning to watch me in Fusion, in the slicer, in the thumbnail even…haunting…