This is a topographic map of the Fish River Canyon in Namibia that I created using https://touchterrain.geol.iastate.edu/  

Print Settings

Resolution: 0.16

Infill: 10  

Scaled down to 50% and printed on it's side along the y-axis for better quality with a brim with a line count of 30.  

Thank you for supporting my design. I really appreciate it.