Speaking of the 2001:ASO and Blade Runner connection (Taschen books), how’s this one …

Rachael: Do you like our owl?
Deckard: It’s artificial?
Rachael: Of course it is.
Deckard: Must be expensive.
Rachael: Very.

Did you notice it? Here’s a clue …

2001Italia blog - “Ivor Powell shares his memories of ‘2001’ and beyond” wrote:

“It’s possible, although not 100% sure, that it was him, drawing from his experience in 2001, that suggested Ridley Scott to use a front-light technique in order to achieve that eye-glowing effect for the replicant’s eyes in Blade Runner.”