system
A chat on 4chan
human
Some ideas
>they had engineers and werent moron cavemen

>put rock there
>put soft clay where next rock go
>it hardens slightly
>you have the inverse
>you shove the clay outline up against the next rock you're gonna cut and use your chalk or sharpie
>years of erosion round out the more squarish stones and the edges get rounded

You can also lift any of these big ass rocks with block&tackle. If you dont understand how pulleys work, go learn.
>use a lever to lift big block like 1 inch off the ground.
>wedge a plank under it
>wedge a rope or chain or whatever under it
>do the same thing with a counterweight or a container that you can fill with water or sand
>dig out some height and use gravity to lift your heavy thing
gpt
Any idea for why there are no contemporary heiroglyphics showing the construction of the pyramids? Seems extremely bizarre given how huge of an undertaking they would be
human
First of all I can't read heiroglyphics and its entirely possible the experts are just making shit up and guessing, I have no idea. All I know is throughout science and industry 'fake it till you make it' seems like the motto. Many people have the idea that knowledge is more valuable if less people know it, so greed in general is a human motivator to destroy it. 

However I don't consider it surprising you'd not find construction knowledge written on stuff that was probably meant for history and religion.