New answers tagged ultimaker-cura
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This is my bet, based on cooling fan failure (I assume it was nozzle fan, not a heatsink fan), though honestly my practical experience with HIPS is zero. Without this fan heated material printed at high angles will definitely curl up, and even flat may be unstable. I suppose it happend, observing layer inconsistency on middle finger close to the nail.
Then, ...
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This post is quite old, but I describe how I solved this for anyone has the same problem I had: areas moved by the nozzle as the base of some appendices are too thin and tall.
In Cura 4.8 (I don't know since which version this feature is available) it is possible to add some custom shapes (cubes or cylinders) to your model. You can find this tool after move, ...
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I had similar issues during the past few days. My first 3~5 layers overlapped. I ended up with figuring out it was the screws to mount Z stepper became loose and the stepper shifted itself downwards instead shifting up the nozzle for the first several layers, until the stepper had nowhere to go.
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Orienting items
Orienting items on the build plate should consider:
overhangs - many hangning fragments will need additional support to be printed (cost of time and material, risk of failure); gravity and colling process will affect loose/hanging plastic in this or that way
layered structure - parts will be stronger in X-Y directions, and weaker in Z ...
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So I managed to figure it out and it turns out the vertical guide screws had a lot of grease/oil build up near the bottom which was impeding the X axis motor from properly moving the nozzle vertically when instructed.
After removing both guide rods and cleaning with degreasing fluid, the troublesome problem is no more!
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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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Try cancelling and restarting the slice
I can have similar issues with Cura where, once I click the Slice button, it either never progresses or gets half way or so through the operation and then just stops.
If I click cancel and then Slice again (sometimes it might take me than one retry) I can get it to go through all the way. Dunno what causes the hangup ...
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Total user error on my end. With the new version of this app somehow I did not catch that material selected on the UI dropdown was set to some custom material and not Generic PLA. Once I selected the proper material, all worked as expected.
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This is probably caused by too few top layers in combination with a too low infill percentage. Increase skin layers and increase infill percentage.
If you have multiple layers already (at least about 4 for o.2 mm layer height, for smaller layer heights even more), you might be printing at a too high temperature and or too few part cooling percentage and a ...
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There are three settings you will want to check in Cura to help with this.
Nozzle Diameter
Check your "Nozzle Diameter" if you've moved to a larger nozzle and haven't changed it in the new Cura version then it'll be under-extruding, or the default option may just be incorrect for you, most printers (Like the stock Ender 3 Pro) use a 0.4 mm nozzle.
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Many parameters will influence success. That overhang, as flat as it is and unsupported, will need to have support-structures enabled to become printable.
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I had the same problem with bottom 8-10 layers being squashed. Tried all the possible settings and nothing helped.
Eventually found that the bottom part of the Z-axis guide rails was narrower then the top and it was not rolling properly down the bottom.
Found out by taking off the Z-axis rod and moved extruder up and down and I felt it was moving a lot worse/...
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That depends on various parameters if an overhang will work or not, material, hotend temperature, speed, cooling, size of the overhang, etc.
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You are experiencing layer shifting, please check the tension of the X-axis belt, driver current.
A more elaborated answer is found here.
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