What you have linked is for a Mk8 Extruder set-up. The Qidi machines use Mk10s.
There is a feed assembly on Thingiverse for Mk10 set-ups...and having been using it for 2 months now I can say it works rather well.
These are what ya need for Mk10s
http://www.thingiverse.com/thing:857200
Printer will print perfect...
Today, 10:44 AM in Tips, Tricks and Tech Help