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Hi! I am trying to set up a nice profile to my Ender 3, but first i want to transform it to a direct extruder because my retraction problems after replacing the TFTE tube. By my eyes this is not a big forum, but a very nice one with nice people helping each other. I´m from spain, sorry in advance for my bad sentences.

Have a good prints and a nice weekend!

Hello and welcome!

I had a feeling that you were having retraction issues from the pictures you posted yesterday. Preload at 0.75 and retraction at 4mm. In an ideal situation, Preload should almost eliminate the need for retraction, even on a Bowden system.

Peter

pjr wrote:Hello and welcome!

I had a feeling that you were having retraction issues from the pictures you posted yesterday. Preload at 0.75 and retraction at 4mm. In an ideal situation, Preload should almost eliminate the need for retraction, even on a Bowden system.

Peter

Hi. It´s already configured with that configuration. I am looking for an explication of how configure the preload correctly. I dont understand some things in ViscoElasticity wizard.
I know what is the nozzle diameter, but what is "Nozzle length" and "Drive length"? Where can i find that information?

ismaelzsilva wrote: I know what is the nozzle diameter, but what is "Nozzle length" and "Drive length"? Where can i find that information?

Nozzle length is the length of the nozzle throat - usually between 1.5 and 2 times the nozzle diameter. See dimension "C" in the "Tip Geometry" table of this page: https://e3d-online.dozuki.com/Document/ ... RdB1k/.pdf

Drive length is the approximate distance between the filament drive gear and the nozzle tip.

Peter

Thank you very much! i will try it today and upload some pictures and settings