Unity Technologies has released a free library 300 materials which are mostly focused on automotive and transportation.

Unity Technologies has released a free library 300 materials which are mostly focused on automotive and transportation. The set includes several kinds of leather and fabric, opaque and transparent plastic, car paint, chrome, glass, bare metal surfaces and more.

This new library is said to provide a convenient way to quickly prepare models for visualization. The materials are perfect for automotive and transportation applications.

The material brings the following material types:

• Fabrics with various weaves including herringbone, twill, brushed and plain weave
• Leather including different grain patterns and multiple perforation styles
• Suede
• Multiple wood species
• Multiple chrome finishes
• Multiple metal finishes
• Glass
• Opaque plastic with multiple grain patterns
• Transparent plastic
• Car paint

You can get more details here.