Geeetech Mixing Hot end Mod

First of some credits , the image used was from another thing posted here. https://www.thingiverse.com/thing:3203831 I should have take pics when I did mine :) and the part was created by Israel Andrade, I've just brought the part and image together and posted it .

Update a smaller cap is used by the A10T so please select the appropriate end cap.

A few hot end designs ( including Geeetech ) have a flaw, in that the PTFE tube can rise up in the hot end if the Bowden tube clamp fails in some way. This causes thermal runaway and the inevitable clogs that spoil the print. It may be solved by fitting good quality Bowden clamps but not a sure fix. There is an alternative.

The best solution I have found is to cut a length of PTFE roughly 33mm long ( you will have to trim to suit ) and fitting a cap, the cap is locks the PTFE down in the hot end when the Bowden fitting is screwed on top of it. TIP: If you have to remove the short length of tube from the hot end there is nothing to gri