This is a theory, not settled fact — but a plausible one. The video proposes the Bent Pyramid chimney was a working entrance reaching the lower chamber straight from the surface, letting builders in and out without hauling materials the long way round. Checks against published plans suggest shorter east-west or north-south beams could pass the antechamber, but longer scaffolding beams near the chamber's peak would foul the bend in the northern passage. Instead they could lower a beam down the shaft, pivot its end through the vault into the doorway, then drag it back out. Pre-pyramid builders at ground-level shaft tombs were already used to exactly this trick. 👷♂️🪨
Video argues Bent Pyramid chimney served as a construction shaft for beams and workers

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Key facts
- The video proposes the chimney functioned as a worker and construction entrance reaching the lower chamber directly from the surface
- Measurements taken from published plans indicate east-west or north-south beams would fit in and out through the antechamber, but longer beams needed for scaffolding near the chamber's peak would not clear the bend in the northern passage
- The video describes lowering a long beam down the chimney, pushing its end into the vault, pivoting it through the doorway into the lower chamber, and hauling it back out the chimney
- Pre-pyramidage Egyptian practice is cited as precedent: a deep shaft sunk at ground level beside a boot-shaped tomb, with workers accustomed to lowering beams, scaffolding and mortar by rope; early mastaba entrances had a comparable form
- A window between the lower chamber and the chimney contains a socket that is now filled in; it is generally interpreted as relieving pressure over the doorway
- The video suggests the window instead served as a sheltered station for a worker passing materials and communicating with surface crews, and may have later been intended as a ceremonial niche
Sources
cheopspyramide.de
Linked in video description
web.ujaen.es
Linked in video description
digi.ub.uni-heidelberg.de
Linked in video description
The Bent Pyramid of Dahshur - Guardian's Egyptguardians.net
Entering the chamber looking upward, you can see the corbelled ceiling with the modern scaffolding. A ladder, almost 50 foot in length, leads to a connecting ...
The internal layouts of the Bent pyramid.researchgate.net
It has been proven that the lower tier elements (the chamber itself, the shaft, and the chimney) all together comprised an ancient furnace – a CO/CO2 gas ...
The Bent Pyramid - Discover Egypt's Monumentsegymonuments.gov.eg
The Bent Pyramid has two entrances, one on the north side, with modern wooden stairs, and the other is high on the west side. Each entrance leads to a chamber
Bent Pyramiden.wikipedia.org
A short corridor leads to a shaft, mostly called "chimney", right at the pyramid axis; both corridor and shaft are covered by another corbelled roof.
Dashur: Bent Pyramid of Sneferuancientegyptonline.co.uk
The Bent Pyramid is unique in having two entrances. The first entrance is on the north face around twelve meters above ground level. it meets a vertical shaft ...
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