This can be quite frustrating, especially if it happens frequently.īefore you can fix the problem, you need to find the root cause. When you print, have you ever noticed that your filament sometimes seems to string or ooze out, rather than printing in a clean, solid line? We make it easy! What Causes Stringing and Oozing? If you have a new 3D printer, you may not be looking forward to setup. Ultimately, the best way to figure out which distance-to-speed retraction ratio is ideal for your printer is to experiment. In addition, some inks (such as UV-curable filaments) require longer periods of time to dry, so greater retraction distances may be needed to prevent stringing.įinally, higher temperatures can also cause stringing and oozing, so it may be necessary to increase retraction distances when printing at higher temperatures. This one is tricky to set as a speed too slow won’t relieve pressure fast enough while too fast of speed can break filaments.įor example, faster print speeds require greater retraction distances to prevent stringing between points. Retraction speed refers to how fast that length of filament is pulled back. The longer the distance, the longer the print will take. Retraction distance refers to how much length of filament is pulled back by the extruder. There are several factors that can affect retraction settings, including retraction distance and retraction speed. In either case, it’s important to maintain a consistent distance between the print head and the substrate to prevent smudging.
Retraction artifact meaning software#
This can be accomplished by tuning and/or enabling the settings on the printer itself or in the software program you utilize. Retraction eliminates excess stringing by pulling back the printhead as it moves from one location to another. Retraction in 3D printing is the process of pulling back or retracting the print head and preventing excess filament from being forced out.Įxcess filament results in over-extrusion, leaving behind strings of filament between points of the object being printed. How your retraction is tuned is important because it will affect the quality of the printed parts or the part design.
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