I was unhappy with the style of the Faller platforms. I decided to re-build from scratch using 0.5mm and 0.25mm plasticard cut on the Silhouette printer.
Results are below!
Platforms with cut out for the stairs.
Stairs printed on 0.25mm styrene and bonded to create staircases:
The finished product:
I added back the roof supports:
Next step is to get the lighting under the canopys working again. These are small SMD (surface mounted devices) circuits I had manufactured in China. A single resistor to drop the 9V and the SMD LED.