sidospinnan
Sidospinnan is a term found in Swedish-language technical and educational contexts used to denote the side surface of a three-dimensional object—the surfaces that wrap around the object and are not the base or end faces. The concept is most commonly encountered in geometry as well as in architecture and product design literature. The sidospinnan forms the lateral surface of a solid and, together with the base and end faces, contributes to the object's total surface area.
In geometric terms, the sidospinnan is the area of the surfaces that constitute the outer side of
Beyond pure geometry, sidospinnan is also used more loosely in architecture, industrial design, and engineering to
The exact usage of the term can vary by field and author, and in many English-language sources