PLA for reference - 205 °C - Layer thickness 0.2 mm - Retraction 1 mm. 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. A default profile will not give you any idea how much you can change a setting. Ender 3 Pro: Initial Setup and Recommended Prints: The Ender 3 Pro comes partially assembled. Hopefully, without pressure on the nozzle, no excess material should be extruded. 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. Too much retraction. TPU - 230 °C - Layer thickness 0.2 mm - Retraction 1 mm - Print speed 15 mm/s 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. 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. As the Ender 3 has a Bowden style setup, retraction settings are much higher. Retraction: As the Ender 3 has a Bowden style setup, retraction settings are much higher. Retraction Enabling: First, go to the ‘Travel’ settings and check the ‘Enable Retraction’ box to enable it Cura Retraction Settings on Ender 3. Retraction range: 5 mm Retraction speed: 45 mm/sec Part-cooling fan: This should be on. We only need to consider 2 factors here. More retraction = higher chance of jamming. We only need to consider two factors here. Retraction distance: 5 mm Retraction speed: 45 mm/sec: Part-cooling fan: This should be on. Perhaps to fix a problem, or to try to get the perfect print. TPU - 205 °C - Layer thickness 0.2 mm - Retraction 2 mm - Print speed 15 mm/s. Ender 3 Stringing – Which (Retraction) Settings Help? Download the Retraction cube files here. Only change 1 setting at a time. Based on your results, adjust either the travel speed or the retraction distance and reprint. However, it may take a few tries before you find the best setting for you and your print. To quickly and easily tune your settings to achieve optimal retraction, download the cube retraction print here, and print it with your current settings. Simple cheat sheet showing a range of values for the most important settings in the Cura slicer for CR-10 and Ender 3 (and variants.) 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. 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. 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