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.

Can Porcupines Shoot Their Quills?

Porcupines have no defence against the quill trade – letting

Full article: Virtual characterisation of porcupine quills using X

9 Wild Facts about Porcupines - Scenic Hudson

Dog Attacked By Porcupine: How to Remove Porcupine Quills From Dogs

Dog rescued near Lake Trammell, found covered in porcupine quills

Porcupine Parts

ADW: Erethizon dorsatum: INFORMATION

From nature to additive manufacturing: Biomimicry of porcupine

Porcupine Quills — House of Just

Hinterland Who's Who - Porcupine

From nature to additive manufacturing: Biomimicry of porcupine

Natural History Magazine

The Point of Porcupines – San Diego Zoo Wildlife Alliance Stories

Multipack 1 Segments DRILLED LONGWAYS Porcupine Quills Needles