Modello

Japanese: modello

…There are two types of this: the full-scale one, which is transferred directly to the fabric or wall, and the one that is already a finished drawing, but has different dimensions. In Italy, the latter is sometimes called modello. Also, a rough sketch that is not perfect but shows a rough idea is called bozzetto in Italian. …

From [Model]

…The subject depicted in a portrait of a specific individual is also called a model, but in English this is usually called a sitter (the person who sits for the portrait to be created). Models for sculpture and architecture are also called models, and the Italian word modello includes compositional sketches for paintings. Sketch [Yuko Takahashi]. …

*Some of the terminology explanations that mention "modello" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これにも2種類あり，布や壁面にそのまま転写される原寸大のものと，寸法が異なっているがすでに完成図となっているものとがある。イタリアでは後者をモデロmodelloと呼ぶこともある。また，下絵ではあるが，完璧ではなく，おおよその案が示された略図的下絵を，イタリア語でボツェットbozzettoともいう。…