DEM From https://portal.opentopography.org/raster?opentopoID=OTSDEM.032021.4326.3
“Raster->Extraction->Contour”
Setting pic 100
Copper: #B87333
Project->Layout Manager…
Add Item->Add Map
Click on top left of canvas and draw map
Layout->Export as Image
Blender
In Layout mode. Add->Mesh->Plane
Edit Mode->Right click on plane. Subdivide.
Hebed recommends 100 cuts, but I found that too coarse, so try 1000, if your computer can handle it.
back to object mode
Modifier properties (little blue wrench)
Add modifier-> Deform -> Displace Add new texture
Texture properties
Open -> Choose your DEM PNG
Add Modifier -> Generate -> Subdivision Surface
Object -> Scale Z around 20
Material property
Add new color map
Surface -> Base Color -> Image Texture
Select the light -> Light.
Make it a Sun, and put strength to 3 or 4
Set the angle. Based on what you do, you might want a higher or lower angle. I went for 30 here
Camera Orthographic projection