With much dicussion of this subject on the forum, i thought it would be a good idea for everyone to put down therioes and what they have done for the contour lines.
In this blog, say what you have done to build your contours, or any other ideas that would be helpful even if you havn't done so yourself.
The more input you have of how and why, will make it easier for everyone to get a mental pitcure of how it can all fit together.


