Channel quilting may not be as glamorous as other techniques but it plays an important supporting role to help feature the piecing in a project and that's just as valuable. For the Aurifil Artisan October challenge, I've put together a few examples.
These two are from Modern Quilt Studio mystery quilt alongs "Arrowhead" and "New Day" that I joined in along with a few friends. I have always been a fan of Weeks and Bill and they outdid themselves with fun themes and support for participants.
Perfectly imperfect spacing was my goal so that the process was enjoyable - almost meditative - and the results have an even-ish visual flow without having to fuss with marking. Choosing one thread color despite having a high contrast palette can be tricky. I tend to lean towards the lighter because seeing the lines on the dark portion can be a nice graphic element and less dramatic since it can hold its own.
All of the piecing was done with Aurifil 50 weight thread 2326 , 2620 and probably more colors depending on which spool of Aurifil happened to be handy.
Quilting Aurifil Forty/3 cone colors:
5020 Light Military Green