This is a pack of Smart Materials for use in Substance Painter 2019.2.2 or later. This pack includes 17 stylized fabric materials, both cloth and leather;

Substance Source – 70 Substances | SBS | SBSAR

A set of 65 smart materials for Substance painter, for texturing sci-fi and industrial models, containing hand-made (using physical hands!) grunge bitmap masks.

This is a pack of Smart Materials for use in Substance Painter 2019.3.1 or later.

Substances for Painter and Designer ranging from wood, concrete, asphalt, copper, bronze, soil, grass, forest and lots more.

ArtStation Marketplace – Metal for props | 10 smart materials

Substance Source – Project #28 – 60 Substances

Gumroad – SP – 20 Smart Material Mix | Substance Painter smart material set

Substance Source – Project #27 – 115 Substances | 195 MB

Substance Source – Project #26 – 100 Substances