X chain extruder end filament guide

I found that once I printed and installed the X Chain that the extruder end was always catching the filament and making the printed jobs have artifacts. Started to use some cord I had to move the filament towards the rear of the printer so as not to catch the chain.
So I loaded into Tinkdercad the X chain extruder end from SPWA and his work here
http://www.thingiverse.com/thing:1853473

I added a box and a torus on the end for some PTFE which allows the filament to bypass the X chain withou