The 30th Origami Tanteidan Convention 

2025

8/9・8/10

days until the convention

>>日本語<<

News

Applications for participation will be accepted from June 25th.

Call for contributions of origami diagrams for the 29th Origami Tanteidan Convention Book now open.

Special guests confirmed and application form for lecturers now open [May 25]

The Best Work by the Votes : Theme: (Chinese) Zodiac “Horse” [May 25]

Outline

Organizer

Japan Origami Academic Society (JOAS)

Dates 

9th (Sat) and 10th (Sun) August 2025

Venue

Hybrid event.

On-site at the University of Toyo Akabanedai campus and Online Streaming from one of the rooms at the site.

Number of participants (tentative) 

400 people

Participation Requirements

All origami enthusiasts of elementary school age and older are welcome to participate. (elementary

students must be accompanied by a parent or guardian)

Admission fee is required to enter the venue, including accompanying individuals.

Admission fee

On-site adult: JPY 7,000
On-site students: JPY 5,000
Online: JPY 3,000
*Due to technical and staff limitations, online streaming will be limited to the events that take place in a defined room, so you will not be able to attend all the workshops and events with the online ticket.

Participation application and ticket sales

Tickets will be sold online for both on-site and online attendance.
Registration is scheduled to begin on 25th June.

Main Activities and Features

  • Special guests
  • Special lectures by guests
  • Workshops with a variety of origami work, from simple to complex.
  • Exhibitions by special guests and participants
  • The best work by the votes　Details are here
  • Tanteidan Convention Book Vol.30
  • OATC (Origami Artist Trading Card) Exchange
  • Reception Dinner

Special Guests 

Robert J. Lang

Born in Ohio, USA. Known as a leading figure in the world of origami, he is one of the pioneers to fuse origami and mathematics, his style has both Western mathematical origami design and Eastern artistic lines and shapes. He is an author of several publications.

Robert J. Lang, an American who has been part of the Tanteidan group for over 30 years and a special guest at the 9th Tokyo Convention in 2003, the 7th Kansai Convention in 2006, and the 19th Tokyo Convention in 2013, will be the special guest at the 30th Origami Tanteidan Convention.

Robert J. Lang lost his home and studio in the Eaton Fire in Altadena, California. Despite this devastating loss, he was able to salvage his famous Black Forest Cuckoo Clock. Mr. Lang, his wife Diane, and their pets were quickly evacuated and forced to sleep in their car. Their home was completely burned, and his studio was reduced to ashes along with decades of highly flammable origami models, research materials, and personal belongings. The couple found solace in humor and the support of their friends. Their friends Michael LaFosse and Richard Alexander of Origami Studio offered to make handmade origami paper for him again. Pending a new contract, Mr. Lang continues to work on his projects from his hotel room. Their focus now is on insurance, documenting lost items, connecting with neighbors, walking their dogs, checking wind direction, monitoring evacuation zone updates on their apps, and securing stable housing. Despite the challenges, they are determined to rebuild their homes and carry on with their lives.
He lost the models for exhibition, but they look forward to meeting you all at the convention.

Bodo Haag

Born in 1999, in Tübingen, Germany. He became familiar with origami at the young age of 6 and started designing his own models at the age of 7. He is mainly interested in animal designs, and has also recently focused on spotted and striped animals and single-sheet skeletons.

Jeong Jae IL

Born in 1993 in Korea. Currently working as a semiconductor engineer, he continues to work as an origami artist. He values ​​incorporating into his models the sensations, mood and atmosphere he receives from various objects, and tries to make use of the unique beauty of origami rather than precise depictions of the objects.

Exhibition

Works by Special Guests

Works by Participants

  • Participation in the exhibition will be limited to on-site participants.
  • The application form will open on June 25th.

The Best Work by the Votes 

  • This event will be limited to on-site participants.
  • Theme: (Chinese) Zodiac “Horse” 
  • The application form will open on June 25th.

to be a Lecturer

If you want to be a lecturer, please apply using the form below. (for on-site participant)

DeadLine : 20 June

Convention Book

Call for a contribution of origami diagrams for the 29th Origami Tanteidan Convention Book is open.

  • Deadline: 15th June 
  • Eligibility: Contributions will also be accepted from Magazine non-subscribers or JOAS non-members. However, priority may be given to subscribers and members.
  • The model: The diagram must be unpublished and drawn by yourself. The diagramed model must be your creation or modification of a model by other creators. (You must obtain permission from the original creator and must credit the creator’s name and title of the work if you wish to submit the modified model.)
  • Specifications: Diagrams must be drawn in grayscale. Preferably in Adobe Illustrator format. (This will increase the chances of your diagrams being accepted.) The submitted diagrams will be screened for format, volume, and quality.
  • Acceptance announcement: The announcement will be made upon publication. We will not contact contributors for rejection.
  • Complimentary copy of the book to the published authors: A PDF version of the convention book will be provided.

The 30th Origami Tanteidan Convention Book will be available for purchase by anyone at estimated

price of 3,080 yen (excluding tax and shipping)

Application for Participation 

The application form will open on June 25th.

Inquiry 

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