Magical Girls Tsukurikata Tsukina Papercraft is based from a Doujin by the same name.

This is a very high quality model that requires not much parts but still need some skills to build it nicely.

The guy who made this model also seems to be making minecraft skins and of course, doujin of the said characters which you can see here

Magical Girls Tsukurikata Tsukina Papercraft requires only 4 sheets of paper and papercraft designer is Nagisa.