Dunno if there's any program to do it automatically for you, but I did it manually in photoshop from actual in-game screenshots.
I've done it for boats, comparators, and maybe one or two other things.
I started by putting my object on a background of wool for contrast to make it easier to cut around later, then found the angle I wanted, took the screenshot, cut it out in photoshop, and scaled it down to my preferred size.
I still had to do some pixel touch-ups since the scaling isn't perfect, then darken/lighten parts as desired, but I'm very happy with the end result.
I've seen a few resource packs have really good texture items for things that have models in-game. Like the brewing station, hopper, cauldron, etc.
It almost looks like they were able to take a picture of these models and use that as the texture for the item.
How is this done? Is there some sort of program that does this?
Dunno if there's any program to do it automatically for you, but I did it manually in photoshop from actual in-game screenshots.
I've done it for boats, comparators, and maybe one or two other things.
I started by putting my object on a background of wool for contrast to make it easier to cut around later, then found the angle I wanted, took the screenshot, cut it out in photoshop, and scaled it down to my preferred size.
I still had to do some pixel touch-ups since the scaling isn't perfect, then darken/lighten parts as desired, but I'm very happy with the end result.