Quote Originally Posted by DaveB View Post
Does anyone know how long the PTFE tube that is inside the QiDi extruders should be?

I just checked the half dozen I had accumulated from QiDi with spares etc. They measured between 30.3mm and 34.2mm with an average length of 32.3mm. The length apparently is not that critical? Or are these supposed to be trimmed to length when installed? What is the right number?
I just found this tube cutter jig, http://www.thingiverse.com/thing:1675294
It looks like it would work well and want to make it the correct length for the QiDi. The cutter's design length appears to be ~ 34.2mm.