hotel rimini

The 41th CDO Convention will be held in Bergamo on the 7-10 Dicember 2023.
at Cristallo Palace Hotel.


The official Convention flyer!

Download the 2023 convention flyer [pdf] 



Dates and deadlines to remember

Registration opens: 19 june 2023 - 12 pm
Early bird rate: € 120 - until 31 july
Standard rate: € 155 from 1st august

Registration closes: 24 November 2023 - 12pm



To participate to the Convention it is necessary to complete registration with the CDO, choosing between the options "standard" or "accompagnatore" (companion).

Hotel bookings, payments and accommodation arrangements are not managed by the CDO and will be agreed exclusively with Hotel Cristal Palace or other.

WARNING: accomodations are no longer available at the Hotel Cristallo.



Registrations page



Become a CDO member!

CDO subscription costs 25 euros (digital - worldwide) or 40 euros (paper - Italy)

The registration or renewal made by 1 November 2023 will be valid for 2023 and allows you to download or receive all the magazines published in 2023 and be able to make purchases of paper and origami books in the CDO shop.
The registration or renewal made after 1 November 2023 will be valid for 2024.

Go to information page.



Send your diagrams for Convention Book!

If you like to share your models and wish to see your diagrams published on 41° Convegno CDO Book,
send them in pdf format within 28 august 2023 at:

if published you will receive a digital copy of the volume.




  • Ángel Morollón


  • Tine Blasek (Kalami)


  • Riccardo Colletto



The schedule


15.00: attendant welcome and model display
19.00: convention opening
20.00: dinner
21.30: bookshop


9.00: workshops
12.30: lunch
15.00: workshops
20.00: dinner
21.30: bookshop


9.00: workshops
12.00: group picture
12.30: lunch
15.00: workshops
17.30: bookshop
20.00: dinner
21.30: Prizes


9.00: bookshop
9.30: workshops
12.00: lunch
12.00: convention closing

Teach some models at the Convention

If you want to hold a workshop during the Convention fill one online form for each model, with photos and descriptions.

Registrations will end on 19 november.


Registrations to Convention

Here you will find all the necessary registration forms:


>> All the forms to register at CDO Convention <<



Where is the Convention


Contacts and info


Donatella Ghisi

Registration Italy
+39 334 1129796

Antonio Coiana

Registration abroad
+39 333 2231177

Francesco Mancini

Registration abroad