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Printed for several hours today using the thin walled teflon tube I mentioned above. It definitely deforms a little more than the normal tube, and I had to print a thicker bowden clamp (blue piece) in order to prevent slipping (because the teeth of the bowden gripper don't dig in as much).... but once that problem was worked out it seems to be going great. Maybe retraction will be a little bit less responsive, maybe rapid changes in extrusion rate will be a little less responsive - but we'll see.

Did several prints in the ~3.0 Taulman 645 Nylon without issue, which was previously clogging due to thickness variationin my stock machine and also on one with the E3D hotend. (I should also mention that I reamed out my entire hotend with a 3.4mm drillbit as well.)

 

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