I saw this Barrel Generator in the marketplace: https://www.unrealengine.com/marketplace/barrel-generator In the video they show off how you can adjust the grunge, change caps, dings, handles etc. All through Blueprints. I'm pretty much a beginner when it comes to Blueprints.... Most of the blueprint tutorials I've seen…
I don't know of any tutorials, but its pretty simple really. It's just driving material parameters, and turning mesh components on and off. The material on the barrel has a number of parameters for things like color, rust amount, etc. The blueprint has variables which drive those parameters. The stuff like lids is just a…