noun
Used to describe something that is the same size as the real object, often in contexts like printing, copying, or design.
この図面は原寸大で印刷してください。
Please print this drawing at actual size.
原寸大の模型を作
We made a full-size model and checked it.
Compound of 原 (original), 寸 (measurement), and 大 (large/size). The term is used to indicate the original, unscaled dimensions.