3rd workshop of the GlassCircle project where industry experts together with academia and policy makers came together and presented successful cases of circular economy and further elaborated possibilities on business models focused on glass fiber circular economy. Participants had the possibility to share their needs in terms of recycling glass fibers and together with other find possible solutions to initiate them into real life solutions. The project was done within the Interreg Baltic Sea Region call co-funded by the European Union.