The Fill and Join tools are pretty similar in Blender, but they have some very important differences. This video talks a bit about the three types of filling you can do in Blender 2.8: Fill, Triangle Fill, and Grid Fill. It also shows the difference between the fill and join tools. If you have any ideas for things you'd like to see a tutorial one, leave a comment down below. Enjoying the content? Hit the Thumbs up or leave a comment to let me know. You can also get real time teaching and instruction if you come hang out live at Support my work: