At least there are a lot of video tutorials for Blender. Both from them and on Youtube. I was able to pick and choose because I only cared about designing for my 3D Printer (obviously I don't need to be able to draw 3D animation! ). A number of the videos took me a few times watching to really get them, but all in all it wasn't that impossible. Also, google for a keyboard shortcut cheat sheet for it. Two different cheat sheets gets you everything you need (of course you still have to learn what the shortcuts all do!).