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Object structure changes depending on the geometry, possibly Cura problem
Posted
· Object structure changes depending on the geometry, possibly Cura problem
There could be many things causing this and I'm not sure which it is, but a lot of the time you can get a better surface by slowing down.
Try printing 1/2 speed you are printing now to see what happens. The bowden tube tends to store pressure like a spring. So when the print head slows down, and the extruder slows down at a corner, the printer tends to overextrude approaching the corner and underextrude just past the corner. So this is one possible cause.
Another possibility is that even though you asked for 2mm walls, in certain areas with those holes running through the corners, Cura may have been confused about how to fit 5 passes around the holes and another 5 passes along the side. It usually handles this just fine - I've even asked for 100mm skin and it usually works fine. But still. Try another slicer. Possibly Cura 13.04 which has a completely different slicing engine (but mostly the same settings so there is almost no learning curve). Or kisslicer.
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gr5 1,877
There could be many things causing this and I'm not sure which it is, but a lot of the time you can get a better surface by slowing down.
Try printing 1/2 speed you are printing now to see what happens. The bowden tube tends to store pressure like a spring. So when the print head slows down, and the extruder slows down at a corner, the printer tends to overextrude approaching the corner and underextrude just past the corner. So this is one possible cause.
Another possibility is that even though you asked for 2mm walls, in certain areas with those holes running through the corners, Cura may have been confused about how to fit 5 passes around the holes and another 5 passes along the side. It usually handles this just fine - I've even asked for 100mm skin and it usually works fine. But still. Try another slicer. Possibly Cura 13.04 which has a completely different slicing engine (but mostly the same settings so there is almost no learning curve). Or kisslicer.
Older Cura's here:
http://software.ultimaker.com/old/
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