anet a6 open-fronted fan duct - with support clip!

I tried a bunch of other fan ducts for the A6 - the round ones don't get good airflow because they are all pushing towards the middle - and the only semi-circular ones I could find still obstructed the view of the print head. So I built this one for myself, but you might find it useful - feel free to drop in any suggestions on how it works for you.

I found that over time, this duct starts to sag - the vent on the fan isn't rigid enough to keep it in place - and eventually starts snagging o