woven optical calcite (or similar) shell for cloaking

https://en.wikipedia.org/wiki/Metamaterial_cloaking

woven optical calcite (or similar refractive index material) shell for cloaking

https://en.wikipedia.org/wiki/Calcite

https://www.azom.com/article.aspx?ArticleID=7784

https://interestingengineering.com/invisibility-cloaks-are-no-longer-just-science-fiction