yes you are right .i did not used complete word because users also can use these line for making 3d artetc. as like some users always do that
Not really sure exactly what's required, so I just went with what I thought we had to do?!
The curvy lines were used and are in there, somewhere!
Looks to me like you did a great job Rik, I'm impressed. If you have it right, this challenge appears to be a scribble using two lines.
Larry a.k.a wizard509
Never give up. You will never fail, but you may find a lot of ways that don't work.