If you have encountered one or more issues listed below during printing, then you can’t ignore the possibility of the moisture issue.Ī. So, what we can do to combat this ever-existing enemy of perfect prints?įirstly, you will need to recognize wet filament before dealing with it. The humidity issue is unavoidable as long as you can not consume the filament in a couple of weeks after unpackaging, especially for those who would like to maintain a wide filament choice for all time. Google “wet filament 3d print” images and your will have an idea about the disasters people encountered when printing wet filaments. Never underestimate the moisture in your filaments! It can cause extrusion issues from poor layer adhesion to all common print quality problems. Then you will know which temperature to print with.Ī spool of filaments can be faulty in many ways, undesirable factory recipe, despaired diameter, and the most seen moisture problem. Just like what we did above, find the section with minimal string, blobbing, and over/under extrusions. (3) Confirm if the default setting contains demanded temperature range (2) Find modify G-code in post-processing, select TempFan tower (1) Similar to the retract test we did above, find “Add a PLA Temp Tower” in“Part for calibration” For instance, this spool of wood filament indicates it can be printed under the circumstances of print temperature that falls into 195~230℃, but at what temperature should I tell my Ender-3 S1 in order to melt just adequate filament to complete the printing project? But you may notice the temperature gap is quite large to guess the best performing temperature for your 3d printer. Judging from the result, the best performing retract distance is 1~2mm for its minimized string and no under extrusion.Ĭheck out this video for CHEP’s perfect retraction guidance: īefore printing, I believe everyone read the recommended nozzle temperature on the spool. This tower starts printing at 1mm retraction as I set in the Cura script option and add 1mm retraction per 38 layers (1 stage), so we get the result for 1~6mm retraction distance. I did a test print to demonstrate how this retract tower works. For instance, if you want to test the retract distance of 1~6mm, you will need to set the starting value of 1 and the value increment of 1. (4) Select “distance” in the command drop-down manual, then adjust the distance gap you want to test out. (3) Find modify G-code in post-processing, select retract tower (2) Click “Add a Retract Tower” in “Part for calibration”, and create a retract tower (1) Open Cura, click in the marketplace, then download calibration shapes But how to optimize the figures to reach the best performance? That’s when you need a retraction test for your current 3d printer and filament (yes, figures vary from different extruders and filaments). In the slicer, you can adjust the retraction speed and distance. The reason why you want to retract the filament is to prevent the melted filament from leaking when the nozzle travels through a print gap. The first stop to eliminate stringing is through a proper retraction setting. It seems to be able to sneak in any gap in the prints and ruthlessly ruin the fun of 3d printing! But do you know where these strings come from? And how to eliminate them for good? You will find the answer to it after reading this article! S tringing, stringing, stringing! The most common but annoying 3d printing issue we both encountered especially in our novice stage.
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