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Wierd Marks on print!


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Posted · Wierd Marks on print!

Everything runs in streaks around here.

When everything is a curve (and she is very curvy) then a high resolution model has a lot of triangles that make up the surfaces.  Too many very short line segments cause problems for the printer-processor and it can't keep up.  Every time it takes an extra split second to figure out the the next move the print head hesitates and leaves a tiny blob.

In the Mesh Fixes section of Cura's settings is one for Maximum Resolution.  If you dial that up to 0.5 or 0.6 it will adjust the line segments so they are longer.  That will take the pressure off the printer-processor.

You didn't mention your Accel and Jerk settings or your print speed.  Slow is good for quality as is Accel at around 500 and Jerk at 8.

Another problem with curvy or round objects is where to put the Z seam.  Those lines on the right side might be the Z seam, but the other little random blobs are likely caused by of the high resolution of the model.

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