Cura Retraction Settings on Ender 3. A default profile will not give you any idea how much you can change a setting. We only need to consider 2 factors here. We only need to consider two factors here. Retraction: As the Ender 3 has a Bowden style setup, retraction settings are much higher. Perhaps to fix a problem, or to try to get the perfect print. For many reasons you may want to tweak a preset Cura profile. TPU - 230 °C - Layer thickness 0.2 mm - Retraction 1 mm - Print speed 15 mm/s Only change 1 setting at a time. We typically use about 2-3mm on our Bowden machines when fitted with our Tough Tube and 3-4mm when using stock PTFE tubing with the larger inside diameter. For PETG you should choose a shorter retraction of 4 mm, while for ABS you should choose 6, mm with a faster retraction speed of 40 mm/s. Retraction distance: 5 mm Retraction speed: 45 mm/sec: Part-cooling fan: This should be on. Hi, I noticed the same thing with some small models on my ender 3, the solution was to double the retraction, but the most important things were the speed and the temperature (PLA hatchbox), I went about 30% of the speed and went from 200°C to 190°C (200 only the first layer) my bed was 50°C. Retraction Enabling: First, go to the ‘Travel’ settings and check the ‘Enable Retraction’ box to enable it PLA is a runny material, so it needs to be adequately cooled. The perfect Cura settings for your Ender 3 ... Retraction is broken down into two main settings: Retraction distance Retraction speed Essentially, retraction is a tool that reverses the extruder motor to relieve pressure on the nozzle during travel. Retraction: PLA is a stiffer material, as well as thus it can be easily tuned. Hopefully, without pressure on the nozzle, no excess material should be extruded. The base of the printer containing the print bed and the Y axis (back and forth) control as well as most of the wiring are already assembled before leaving the factory. Download the Retraction cube files here. Retraction range: 5 mm Retraction speed: 45 mm/sec Part-cooling fan: This should be on. Ender 3 Stringing – Which (Retraction) Settings Help? To … The Cura retraction settings on Ender 3 printers usually include different settings and the ideal and expert choice for these settings will be as follows. Too much retraction. TPU - 205 °C - Layer thickness 0.2 mm - Retraction 2 mm - Print speed 15 mm/s. Based on your results, adjust either the travel speed or the retraction distance and reprint. Use the lowest amount of retraction that yields the best balance between print quality and risk of jamming. Following are photos of a stringing test with various combinations of settings. More retraction = higher chance of jamming. 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