The Egyptians were very religious, and their principal god was Yamun-Re, aka the Sun. All their monuments were meant to be religiously symbolic, so the pyramid was meant to be a sort of ramp toward the Sun. They couldn't have a flat-topped pyramid, since it would be incomplete, and it couldn't have steep sides like an obese obelisk, because have you ever tried walking up an obese obelisk. It had to be perfect.
it changed the shape and size
He did not design the first pyramid. Imhotep designed the first Step Pyramid.
The design developed from, a pyramid shaped pile of dirt, to the step pyramid, to the bent pyramid, to the pyramids of gaze.
they design developed the pyramid with the rock that come from sina and put step by step
egyptians
pyramid
a pyrimid
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Their design came from the Tower of Babel.
A Pyramid
a pyramid
Ieoh Ming Pei