# Full Color and Grayscale Painting with 3D Printed Low-Index Nanopillars

> Research article (Nano Letters, 2021) · cited 67× · AI/ML

**Wikidata**: [openalex:W3160894049](https://www.wikidata.org/wiki/openalex:W3160894049)  
**Source**: https://4ort.xyz/entity/full-color-and-grayscale-painting-with-3d-printed-low-index-nanopillars