Flashforge Creator Pro (2016) filament tube spacer

The filament guides on the Flashforge Creator Pro run parallel and very close to the back wall. Thus, all too often the filament jumps past the spool border and becomes tangled, especially with narrower and/or full spools.
This spacer(s) moves the filament guide end approximately above the middle of the spool, hence eliminating the issue. Just snap them where the guide normally goes.
I found (too late, I had already designed & printed these) that there are plenty of alternative designs (things