Do porcupine quills hold the secret to lighter, stronger materials? - Create

Engineers have discovered that with 3D printing, porcupine quills can be mimicked to design lightweight materials that can handle extreme loadings.

12 Prickly Porcupine Facts - Fact Animal

Porcupines have no defence against the quill trade – letting

Light, Strong, and Ductile Architectures Achieved by Silk Fiber

Study of Impact Resistance Based on Porcupine Quills Bionic Thin

Full article: Virtual characterisation of porcupine quills using X

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038 - Identifying & Preventing Porcupine Damage to Trees