Materials
9 families
Metals
25Dense, conductive, ductile. The default load-bearing family.
Polymers
18Organic macromolecules. Commodity to high-performance, thermoplastic or thermoset.
Rubbers
6Elastomers — long reversible strain, seal and absorb.
Ceramics
21Hard, brittle, temperature-resistant. Sintered or cast.
Glasses
2Amorphous, transparent, brittle. Fused silicates.
Composites
12Hybrids — matrix plus reinforcement.
Coatings
13Surface treatments. Process-first family, orthogonal to Ashby.
Textiles
17Wovens, knits, non-wovens. Technical and synthetic alt-leathers.
Naturals
31Woods, fibres, stones, leather, paper. Material ConneXion-aligned.