I did it to gift the karate teacher of my daughter.
It stands in a gyaku-tsuki very close to the real position. You may try to find others positions if you wish, but only oi-tsuki is accurate.
It is printed in thick cardboard because is very big, but little ones works fine in plain paper.
You may stick the back feet to the surface to let it give a mae-geri, but that is cheating!
Step 1: Template:
This is the template. You also need paper, hobby knife, etc, etc...
The pdf includes three sizes and the template.
Take a look to the original PaperMan in https://www.instructables.com/id/The-Most-Basic-Paperman/
Thanks for your time!