This one's a follow up on my previous post about Phasor Noise (https://www.artstation.com/artwork/LRd0nv). When thinking of ways to showcase uses for the noise, a fingerprint generator was one of the first things that came to mind, and this was originally going to be part of that same post but I decided it deserved a post of it's own.
I used it to create a node for generating a single fingerprint with 4 different fingerprint types (MT Fingerprint), and used that to create a fingerprint grunge generator that can be used to add detailed fingerprint surface imperfections to a material (MT Fingerprints). Both are fully procedural and highly customisable. No need to give away any personal data for the sake of a texture ;D. I've included a number of parameters that have some benefits over a traditional photo-based method, such as dynamic ridge frequency and minimum ridge width in pixels for preserving details at lower texture resolutions.
You can get it on the ArtStation Marketplace (https://www.artstation.com/a/35711837) or my Gumroad (https://matt-taylor.gumroad.com/l/MT_Fingerprints).