# Multi‐Material 3D Printing of Functionally Graded Hierarchical Soft–Hard Composites

> Research article (Advanced Engineering Materials, 2020) · cited 15× · AI/ML

**Wikidata**: [openalex:W4241538031](https://www.wikidata.org/wiki/openalex:W4241538031)  
**Source**: https://4ort.xyz/entity/multimaterial-3d-printing-of-functionally-graded-hierarchical-softhard-composites