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Use in your agent

Stroke1.25 px

Corner radius2.00

Preview size24 px

Colour

Impossible triangle icon

Shapes & symbols · Geometry

penrose-triangle

penrose triangle · tribar · optical illusion · paradox

UIUXIcon · 6,863 icons · MIT licence · MCP server · llms.txt

Icon artwork © 2026 UI8, from the IconMCP library, MIT. A few hand icons follow shapes from Phosphor, Tabler (MIT) and Lucide (ISC).