Invisible Lines started in September 2020. A call for artists was published to select the 12 young comics and illustration authors who would participate in the workshops.

• 31st January 2021: deadline to send the application
• 28th February 2021: final results of the jury evaluation
• 29th May - 11th June 2021: Landscapes, workshop with Juraj Horváth in Tabor (Czech Republic)
• 23rd - 29th June 2021: Revelations, workshop with Stefano Ricci in Venice (Italy)
• 5th - 11th July 2021: Borders, workshop with Yvan Algbé in Strasbourg (France)

The artworks produced during the workshops were showcased in exhibitions throughout Europe, in the following comic book and illustration festivals:

• 2nd - 5th September 2021: Tabook, Tábor, Czech Republic
• 2nd - 5th December 2021: BilBOlbul, Bologna, Italy
• 17th - 31st March 2022: Central Vapeur, Strasbourg, France

Invisible Lines also organized a cycle of public webinars aimed to artists and cultural operator, and a conference in Venice which hosted scholars and artists and their take on the invisible.

• 3rd September 2021: seminar focused on promotion of small publishers in international markets, organized by BAOBAB during its festival Tabook
• 4th October 2021: webinar focused on self-promotion for artists through digital media, organized by Central Vapeur and Held by François Werckmann and Rachel Hill
• 8th November 2021: webinar focused on copyright in EU and international markets, organized by Central Vapeur and held by Nicolas Grivel and Sam Arthur
• 21st March 2022: networking meeting on audience development, organized by Hamelin APS during the Bologna Childrens Book Fair
• 3rd - 4th June 2022: international conference, held at the Fondazione Giorgio Cini in Venice