https://www.centrocopisteria.com/
Via Arenula, 19 (5 min walk from Sala Baldini)
Send email and mention that you are part of the Workshop. €10 for Portrait A0: 85 x 120 cm
It's part of the Church. A photo of the street entrance is below. Proceed to the end of that hallway
Note that construction blocks the normal route given by Google Maps.
Instead, use this two step approach:
First go here to the corner by Via Panisperna
Then, follow the road to Piazza del Grillo, 1
Entrance to Casa dei Cavalieri di Rodi
The Social Dinner will be held at Ristorante Da Meo Patacca, which is about a 20 min. walk from Sala Baldini