Bowden guide for Ratrig VCore4 and Bigtreetech Smart Filament Sensor (SFS 2)

I try to reduce the sharp turns in the (reverse) bowden to minimize drag. To that end, I use these guides to allow for a smooth path while using the BTT SFS2, mounted with the nice https://www.printables.com/model/927721-ratrig-btt-sfs-20-mount . 

The guides also protect the tube from excessive movement that the head movement or filement changes could cause.