Once the seating layout was established the exterior was designed around it, hence designing inside out.
Largely a preview of the upcoming production vehicle, it featured a full-length glass roof and a 2+2 seating layout.
A further ten trams received the seating layout during refurbishment.
Other interior changes were to the seating layout.
When it was opened its design was considered advanced, owing to the raked seating layout.
Internal refurbishment will include reconfiguring the seating layout to provide more standing room for passengers.
Passenger doors were too narrow and the fixed seating layout did not give wheelchair users space to maneuver.
The boxes had also been removed from the dress circle and the seating layout changed throughout the building.
Other cars underwent changes in the seating layout, discussed above, as they were reassigned from long-distance to suburban service.
The electric folding glass roof is made by Karmann coachworks and has a 2+2 seating layout.