It's funny that I just discovered this video last night myself. I'm really disappointed at the amount of work it will take, but It's nice.

I agree that he took too much tedious work on what could be simplified with programs like Pepakura, or the Open source ones, like dxf2papercraft...

But I can't write Japanese to tell him about  that shortcut.

And Greenelf, use that rounded Gearwheel idea of mine, saves a lot of hard work...