Elevation World Map (no multi color printer needed)

Basically it is just a lithophane, but i had a lot of work editing the picture to get this result.
Change filament at certain heights.

For example:
0 - 1.7mm Blue
1.8 - 3mm Green
3.1 - 3.6mm Brown
3.7 - 5mm White

Print settings:
100% infill
0.1mm layer height
1 outer wall