Pre-Update 6 - r1 - NPC Random Clothes
Got NPC spawn working along with random clothe equipped.
Each clothing is randomly generated when npc spawn.
Currently got 3 different set of shirts and 1 pants working (with different textures).
Next up to do different hair styles, Gloves, then maybe female model as well.

Source and More information: Pre-Update 6 – r1 – NPC Random Clothes

Author: indieDB.com