How to say "mock-up" in Japanese

• モデルJLPT N2approx.Common
  nounCovers the general sense of 'mock-up' as a model or dummy representing something. The broad word for 'model', it suits contexts where you simply mean a model of a thing, not the technical term.
  彼かれは今いままでに９体たいの人型ひとがたロボットを製造せいぞうしていたが、その全すべてはデモンストレーションモデルだった。↗

  Up to now he had made nine humanoid robots but they were all demonstration models.
• モックアップCommon
  nounThe direct equivalent for 'mock-up': a model of a design built to show or test it, typical in product design and engineering. Choose this when you mean the technical term itself.

Use 「モックアップ」 for the specific design or engineering sense of a mock-up built to test or demonstrate a design; use 「モデル」 for the broader idea of a model or dummy, where 'mock-up' is only one sense.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• モデルmodel
• モックアップmock-up
• 実物大模型じつぶつだいもけいfull-size model
• モックmock-up