Last Updated
：2025/11/25
Penrose triangle
Noun
Japanese Meaning
ペンローズ三角形とは、正方形の断面を持つ３本の直線状のビームが、それぞれの頂点で互いに直角に交わることで構成される、不可能な立体構造を表す光学的錯視図形です。
（ plural ）
Quizzes for review
An optical illusion depicting an impossible solid object made of three straight beams of square cross section which meet pairwise at right angles at the vertices of the triangle they form.
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Penrose triangle
The art student carefully sketched a Penrose triangle, fascinated by how the beams seem to join impossibly at each corner.
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The art student carefully sketched a Penrose triangle, fascinated by how the beams seem to join impossibly at each corner.
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