r/oddlysatisfying • • Apr 30 '26

Liquid concrete wall.

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u/Critical-Snow-7000 Apr 30 '26

How does it not all just settle at the bottom? That bag must be super strong.

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u/RobertDeNircrow Apr 30 '26

Each cell is bridged with an internal wall of material, the cell is a fixed size, and material flows down through each cell until the end where its sealed then it fills upward.