I am traveling to Berlin next week to present a poster on a conference. Instead of bringing a poster cylinder with me on the plane, I was wondering if I could print the poster in Berlin just before going to the venue.
Sure you can! For example you can use mediafisch.de (only in German). You can upload the files from home and pick up the posters in Berlin. A2 poster costs between 7,50 and 5,99 EUR, A0 costs between 21,99 and 19,99 EUR (depends on quantity).
I think that's not your only option, there are many poster shops in Berlin and maybe you can find one near your hotel