Finally finished a 4x4x4 cube, but the experience taught me all new and improved sketchup skills that make me want to start all over. So I did, but I decided to finish this one first.
Because I actually got this cube with the intent of putting it on sketchup I figured the package might be fun to do too. I'll have a more detailed exploded view when I finish version 2. Then I guess I'll go get a 5x5x5.