The answer to this question was given on May 25th by a research team, lead by Frederico Ferreira of Instituto Superior Técnico. Diana Marques and Afonso Gusmão show how in the RTP1 program "Linha da Frente" under the topic "We are what we print": https://www.rtp.pt/play/p11145/e694221/linha-da-frente

The research team combined know-how on cell culture, bioprinting, electrospinning and cells electrical stimulation. Under the "Science of Alt Protein" webinar cycle organized by The Good Food Institute, you can find the full presentation on "Manufacturing a Fish Fillet": https://www.youtube.com/watch?v=GrsJ1YPMxH4