Signal Festival a PrusaLab jointly announce an open call Signal Calling 2025. Become creators of a spectacular light installation for the 13th edition of the largest festival of light and technology in the Czech Republic. Gain financial support, access to modern technologies and the chance to shine on the international stage!
→ Submit your project here.

Prague is once again becoming the centre of light, art and technology – and you can be part of it! Signal Festival and PrusaLab are jointly looking for unique ideas that connect technology, light and art. Call for entries Signal Calling 2025 it is open to all creators from the Czech Republic and Slovakia who want to push the boundaries of creative thinking.
Theme and brief:
This year's festival theme is entitled Ecosystems III: Solutions. The call focuses on creating a large-scale light installation that connects nature, technology, and society. The intention is to create a work that reveals the hidden connections of our world and offers new perspectives on contemporary issues.
What do you get?
- CZK 200,000 for the realisation of the work,
- Access to the PrusaLab production facilities with the most modern technologies and a team of experts,
- A 5,000 CZK design fee for projects that advance to the second round,
- Fee of CZK 40,000 a Original Prusa 3D printer for the winning project.
The development of the installation is taking place in close cooperation with our team in PrusaLab, where you will have access to 3D printers, CNC machines, lasers and other manufacturing technologies.
Important dates:
- Open call 15 Jan – 16 Feb 2025
- Closing date for applications 16/02/2025
- Tender 17 February – 15 March 2025
- Project presentations in the 2nd round → 26. 3. (13:00–18:00)
- Finalising the partnership with the winner → March–April 2025
- Development and production of the installation April–August 2025
- Finalisation, testing and overhead September–October 2025
- Signal Festival 16 Oct – 19 Oct 2025
→ Full rules can be found here.
Inspiration from previous years
Last year's winning work „Listen to the waves“showed how creative the connection between art and technology can be. Be inspired by the installation too„Reflex“, which shone at the Signal Festival twice. What will you create?
Get involved and turn your idea into reality!