The distance will tell the nozzle to pull back the amount of filament according to the specified length.Īccording to the experts, the retraction distance should be between the 2mm to 7mm distance and should not be more than the length of the printing nozzle. The retraction distance should be adjusted accurately because both too low and too high retraction distance can cause printing problems. Retraction distance or retraction length specifies the length of the filament that will be extruded from the nozzle.
Now that you have a basic understanding of retraction in 3D printing, let’s explain the basic retraction terms, retraction length and retraction distance. We can be specific on telling our 3D printer how exactly to retract, whether that be the length of retraction, or the speed at which the filament is retracted.Īccurate retraction length and distance can reduce the chances of different problems mainly the stringing and oozing. It is a setting which you’ll find in your slicer software, but it isn’t always enabled.Īfter you have understood the basics of printing speed, temperature settings, layer heights and widths, then you start to get into the more nuance settings like retraction. When you hear that rotating noise backwards and see filament actually getting pulled back, that is retraction occurring.
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5 How to Avoid Stringing in Flexible Filament (TPU, TPE) What is Retraction in 3D Printing?