This pack of contains 4 metal and 2 wood smart materials.
These material can be used within Substance Painter 2018.3.1 and above ONLY.
(Haven't tested it on any other version if you have a version below that buy at your own risk.)
Detailed preview with 3D view: https://www.artstation.com/artwork/0X4deV
General License Information:
Commercial use of the included materials is permitted but must be a embedded component in media such as a video game, movies, or similar.
Single User License:
This license is for one person only, you can use it on multiple computers but only one person should have access to it. Good for freelance artists, students, hobbyists, or motivated pro artists.
Team license (up to 5 users):
For small indie teams with up to 5 people.
Team license (Unlimited):
For teams with more then 5 people.