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3

After watching the video, I see three unwanted behaviors, all consistent with a hypothesis that the printer is reading corrupted data from the gcode file: Moves to low but nonzero X or Y coordinate then immediately back are not homing, but misreading of the X or Y value for a G1 move command - perhaps flipping a bit so that a leading 1 looks like a 0, or ...


5

It's well known in mathematical circles that the "salesman problem" is what mathematicians call "hard" -- in their usage, that means a lot of extremely smart people have worked on the problem for many years (more than a century?) and still not found a robust, works-every-time solution. What's probably happening with Cura and other slicers ...


4

Long story short: I only know the setting "Combing Mode OFF" that improves the travel paths. In my case it did not help. In your case I suggest you should give PrusaSlicer a try. I assume that the overall print duration will be improved because of a better calculation of the travel paths. But this is only my personal opinion between these two ...


3

Minimum Layer Time. By default it's 5 seconds, and some printer profiles have it much higher, e.g. 10 seconds. This is to allow sufficient time for the previous layer to cool before laying down the next layer, but it's way too high. Make sure you have good cooling (possibly blowing a large room fan on the print volume if needed) and you can turn it down ...


3

Cura has a lot of bad defaults, but also a lot of defaults that are chosen to let you get acceptable prints out of a really bad printer, a miscalibrated printer, or a printer with bad firmware. Printing at anything above very low speeds requires compensation for the differing pressure needed to move material through the nozzle at different flows. The printer ...


0

Perimeters, especially External Perimeters, are particularly sensitive to small deflections of the printhead, as well as extrusion issues from too fast of a print speed. You may be able to increase this speed for regular perimeters, however, higher speeds may introduce more ghosting issues.


1

Cura, like many slicers, allows one to set the number of passes for top, bottom and sides. By setting these values to zero, your model becomes completely and only infill. The pattern selection for infill allows you to choose the design which would appeal to you and possibly match that of the raft. I've just now imported a mostly monolithic STL file and ...


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