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Print cylinder wall with concentric lines only

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I want to print a cylinder (well, actually it is a heart, but a cylinder shows the same issue) with transparent material.

I have an Ultimaker2 with a 0.4mm nozzle and have Cura 3.2.1 and the older version Cura 15.04.6 installed


The wall thickness of the model is 1.6 mm

I would like to have 4 parallel layers in horizontal direction, i.e. 4 concentric circles. However, I get always some internal linear patterns which causes a twofold problem: First the cylinder looks uneven, the transparency is very different depending from what side I look. Second the material (HDGlass from FormFutura doesn't like retraction and moving the print head around the stringing is not the big problem, but the adhesion is sometimes bad after a move. Without retraction the look is sometimes very bad, because material is collected at the nozzle and deposited on the print at arbitrary positions.

I have experimented with wall thickness, I have set it to 0.8 which I think should do the job, I have set it to 1.2 and 1.6.

In a different approach I have set the Wall Line Count to 2 and 3, which both show the same layer preview as shown in the attached image. At a Wall Line Count of 4 the layer preview is empty.

Until recently I have worked only with the old cura version, Cura 3.2.1 is pretty new for me.

Any idea how to get 4 parallel wall lines?



Edited by UltiChris

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I think you can do this with the new cura as well (cura 2.X, 3.X).  You have to set infill to 0% and play with line widths (all of them - there are a few) and of course set wall thickness to a large value like you already did.  Basically it's a lot of experimenting with wall widths and maybe also set flow to more than 100% - maybe 110%.

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