I found a few paper models from Korea (and links to paper models from other places):
공개 도면, 페이퍼토이전문디자인회사 : 네이버 블로그
To download the original Korean models look for the tine green arrow, click on it, then click on the group of Korean letters that look a little like an L.. PC.... Or just click on everything on the page until you randomly hit the download command.
For the models from off site designers, click on the line that looks like a link to another site.
If you get frustrated trying to do the downloads, pause for a moment and listen to some soothing sounds from this S. Korean a cappella group:
Maytree (South Korea) - Fly me to the moon - YouTube
And for people who can't get enough of MS Windows:
windows sound effect (acapella) - YouTube
Bonus:
An object that was not made out of paper, which displays the maker's skills with a filament pen:
오징어게임 그 피규어 만들기 - YouTube