Orphan data

- Sometimes in Blender you'll have…a lot of extraneous data that you don't need.…We often call this Orphan Data,…or stuff that's not connected or linked…to any object, node or material.…These things include unused image textures…that take up valuable memory and…eat up a lot of hard drive space over time.…In this week's Blender Tips, Tricks, and Techniques,…I'm going to show you a quick trick on how to get rid of them.…Now first, for this simulation,…we actually need to generate some random data,…so, let's just do that really quick.…

Let's go to UV Editing,…and let's just make a whole bunch of images.…I'm just hitting this plus button and just hitting OK.…You can see here, we're up to Untitled 7,…okay, that should be good enough.…So let's go back to default.…Let's bring this up a little bit,…and let's go to Dope Sheet, Action Editor.…Actions in Blender are basically…a set of data that means animation.…

So, for example, if you had two rigs that had…the exact same bones and names and everything,…you can just switch actions between them.…