Oh I got this design from the internet with fold lines already in place. You can still (barely) see them. There's also people who print them without fold lines.
Also I would not have been able to create this properly without peeking at the render & digital pieces.
Pepakura Viewer makes it look...
This is actually one of my first papercrafts that I made. At the very least it's the biggest one I ever made. It took me several months to complete! On the positive side: I didn't have to re-print any piece.
Ganon papercraft by Randy Geraads, on Flickr
I think this was back in 2014.
I found...