This is Xingchen, a character voice from Vocaloid. She is a Chinese vocaloid character made for China market.
Xingchen is said can travel to earth and her planet by flying. Her birthday is August 12 and she is a LEO.
Xingchen was originally a mascot for the doujinshi group and series Quadimension.
Xingchen name means “Stardust” and stardust is displayed everywhere in her social media and artbox.
Now as for her paper craft, it is made and designed by Youlingke, a famous China paper craft designer that you can buy their stuff in Taobao I think.
So yes it’s a premium paper craft.