Osaka Castle Mysterious Joint Papercraft

Exactly what the title says ^^ a mysterious joint (purpose unknown) found in one of the main gate pillars of Osaka Castle, Japan. Papercraft created/provided by the Kajiwara and Kimura Lab.

To get the template, follow the link below and scroll through the bottom, click on the first link after the photos.

Osaka Castle Mysterious Joint Papercraft [Download]

Puzzle Cube Papercrafts [Related Posts]
Checkered Cube Puzzle Papercraft
Da Vinci Code Papercraft Cryptex
Kung Fu Panda Paper Tangram
Globe Puzzle Papercraft