I'm modeling a specific hill. I have a topographical map of the hill and wish to plot the 1 meter height contour lines accurately. What's the best way to do this?
I cannot find a tutorial like this on Blender, but found one for 3ds Max: https://www.youtube.com/watch?v=EVuY3dBYQfk (from 1:55).
The image below shows a model I made in sketchup; I created a plane, drew in the squiggly lines with its freehand line tool, then extrude.