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The no-math, no-fractions way to make perfect half-square triangles in any size. ▶️ Forget complicated fractions or charts. Just line up to the 2", 3", 4", or any finished-size line on your ruler to make accurate half-square triangles in any size you want. Learn More
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$15.95