https://old.materiom.org/search
https://www.materiom.org/solutions/commons (Materiom now needs a log-in)
https://naturelab.risd.edu/ (RISD Nature Lab!!! omg)
https://naturelab.risd.edu/discover/biomaterials-you-can-make-at-home/ (Recipes Only)
https://www.newyorktextilelab.com/memberships (Urban Dyer’s Almanac)