Khufu's Uncle ??at Meydum
Menkaure and wife at Giza
and Khufu's valley temple under Nazlet El-Samman was ttbomk, never given the same sifting as Khafre's and Menkaure's. But we know of fragments from the temple of Sneferu his father. so I don't think it's a stretch to opine that he most probably did have statuary of himself at hand.
and Khufu isn't out of the running as buildiing or at least, being, the Sphinx.
The transition to larger than life was centuries later, at a time when the reason imho was less one of belief and more of Royal reinforcement.
and of course in the 2nd they emphasized a large, presumably mostly open, space...surrounded by an enclosure.
there are so many different ways of looking at these particulars, muddied by the faxct that they are all an aspect of the Magic that they believed was being employed.
association on these boards is the broad
misconception that what we do not know is more
significant than what we do know."
Warwick L Nixon, March 8, 2019