Helical Stair

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A spiral staircase, often referred to as a helix, is an architectural feature that provides a unique and visually appealing way to connect different levels in a building or home. Its design is based on the mathematical concept of a helix, which creates a continuous, winding path up or down. This type of staircase can be a space-saving solution for small areas, as it takes less floor space than traditional straight stairs while still providing easy access between floors.