I've recently purchased an Ender 3 and have had great success with some Cura settings found on a YouTube Tutorial at 0.2 mm resolution.

So then I noticed that there were default settings in Cura for the Ender 3. Except printing at 0.2 mm it selects a 20 % infill, and when choosing 0.1 mm it changed the infill to 10 %.

I changed infill to 20 % and attempted to print this but there were gaps in the bottom layer and it won't stick to the bed. Is there anything else I need to change in the process?

The shape is essentially a cube with a circular hole in the middle, sliced in half.

  • $\begingroup$ If your first layer is too thin you can run into problems getting the layer to stick, is your first layer also smaller with the 0.1 profile? $\endgroup$ – 0scar Nov 29 '18 at 19:20
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    $\begingroup$ Do you have a link to the YouTube video? $\endgroup$ – Greenonline Nov 30 '18 at 5:15

Infill is usually not printed directly on the build plate unless the bottom layers are zero. From the question I read that you are using a bottom layer or layers. Once they have finished printing, the infill is printed on top of that, this should not interfere with the already deposited layers. Why the higher percentage infill profile fails to print is probably related to other settings than the infill percentage.

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