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Consider that the string you are seeing is the nozzle wiping across the surface, especially if you are not getting stringing via your test part. As you suggest, it's not unlikely that the layer viewer is showing movement and not extrusion. Check your z-hop settings as well as the other references in the linked page. Z-hop will drop the bed by the set amount ...


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What you are seeing is what is called the 'seam'. Since this part cannot be printed in vase mode (where the extrusion is essentially done as a compressed spiral), there is a point where the printing on a layer ends, and the printer moves to the next layer. This is where the seam is formed. Blobs that form at this change in layers are not uncommon, but the ...


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Minimum Travel after Retraction is exactly what it says on the tin: if the travel after a retraction would be less than 2 mm, it does not retract. You'll want that to be short, but not 0, because retraction can lead to under extrusion at the start of a new line, and every swap from one shell to the next shell right next to it is classed as travel.


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After several email exchanges with the customer support, I was not able to find an answer. It was stated that it may have been my assembly and/or extruder mount, but I'm strongly against that after so many times reassembling. Gear backlash ended up becoming permanent. I ended up switching over to something else with a more self-sufficient design and less ...


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