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In the older Cura-versions there was a setting "Combing" or something similar, which did exactly this: then the head would keep on already printed material, avoiding voids. I don't know about the most recent versions. Have you searched for that?
However, this will not prevent blobs in some materials (the PET that I have): material is accumulated on the nozzle during printing, and then it sags and is deposited on the print in a thick blob. If this happens near the edge, is will spread outwards. So you have to post-process anyway with some materials.
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We don't often release an alpha version of Ultimaker Cura... So what's different this time? This Alpha contains such a huge slicing engine overhaul that we really need your help!
We wish to celebrate and honor the innovators that push forward the field, technology and world. We opted to not present it as a competition or ranked list. Every innovator has earned his spot on that list in their own way. We also look at the 3D printing industry as a whole and not limit the list to those only using Ultimaker.
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In the older Cura-versions there was a setting "Combing" or something similar, which did exactly this: then the head would keep on already printed material, avoiding voids. I don't know about the most recent versions. Have you searched for that?
However, this will not prevent blobs in some materials (the PET that I have): material is accumulated on the nozzle during printing, and then it sags and is deposited on the print in a thick blob. If this happens near the edge, is will spread outwards. So you have to post-process anyway with some materials.
Link to post
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