Onefold

Onefold is a term used in several disciplines to denote a single fold, layer, or unit multiplier. It is not a standardized technical term with a single fixed definition, and its precise meaning depends on the context in which it appears.

In design and crafts, a onefold object typically results from a single folding action or crease. In origami and related paper arts, a onefold model may be described as involving only one principal fold, with more complex creations using multiple folds.

In mathematics and related fields, onefold is sometimes used informally to indicate a multiplicative factor of one, meaning no change. For example, a onefold transformation would correspond to the identity operation, whereas twofold or higher indicates repetition or doubling. Because this usage is informal, it is less common in formal writing, where terms like identity, unchanged, or trivial are preferred.

In materials science and manufacturing, onefold can describe a single layer or deposition pass in a process, or a single iteration of a procedure. The term’s exact meaning again depends on the specific methodology or discipline being discussed.

Overall, onefold functions best as a contextual shorthand for “single fold,” “single layer,” or “factor of one.” When encountered, it is advisable to verify the intended meaning from the surrounding text or field-specific conventions. See also fold, onefold versus multifold terms, and n-fold terminology.