Gran Paradiso

You can print your own area - relief, follow link below, there are very nice instructions:

https://blog.prusaprinters.org/how-to-print-maps-terrains-and-landscapes-on-a-3d-printer_29117/

STL terrain creator:

https://jthatch.com/Terrain2STL/

Material: PLA, three colours.

Infill: 20%

Printed area is shown in picture.