# Top layers missing?

**URL:** <https://3dprintingspace.com/t/top-layers-missing/2861>\
**Category:** Ultimaker Cura\
**Created:** [August 1, 2021, 6:29am UTC](https://3dprintingspace.com/t/top-layers-missing/2861 "2021-08-01T06:29:32Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![LEGOManiac](https://3dps-assets.b-cdn.net/letter_avatar_proxy/v4/letter/l/ba8739/32.png) [@LEGOManiac](https://3dprintingspace.com/u/LEGOManiac)\
**Post date:** [August 1, 2021, 6:29am UTC](https://3dprintingspace.com/t/top-layers-missing/2861/1 "2021-08-01T06:29:32Z")

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I have Cura set to use 4 top layers, and a top thickness of 1.12mm, yet they seem to be missing. I have the same settings for bottom layers and thickness. Shouldn’t the infill have been completely covered?  
It occurs to me as I write this, that I should be looking at the Preview in Cura, so I did, and it only prints 1 layer at layer 711.  
Any idea what I’m missing?

 ![Top layers missing](https://storage.3dprintingspace.com/original/2X/2/202478245aef5467005e5864fc1b6d561ec79494.jpeg)

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**Author:** ![Glenn](https://3dps-assets.b-cdn.net/user_avatar/3dprintingspace.com/glenn/32/728_2.png) [@Glenn](https://3dprintingspace.com/u/Glenn)\
**Post date:** [August 1, 2021, 11:31am UTC](https://3dprintingspace.com/t/top-layers-missing/2861/2 "2021-08-01T11:31:24Z")

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are your nozzle size and was the wall thickness setting conflicting? I had something similar when I went from a small nozzle to a larger one forgetting the wall thickness setting and it missed a stepped top surface when I caught it. I’m pretty sure if the walls are too thin for the nozzle it won’t print

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**Author:** ![kitedemon](https://3dps-assets.b-cdn.net/letter_avatar_proxy/v4/letter/k/ecae2f/32.png) [@kitedemon](https://3dprintingspace.com/u/kitedemon)\
**Post date:** [August 1, 2021, 12:36pm UTC](https://3dprintingspace.com/t/top-layers-missing/2861/3 "2021-08-01T12:36:09Z")

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I’m with Glenn, my first thought is a slicer setting.

My second notion is on occasion especially with flat areas like you have, I had to increase the infill to support the overhang. It also might be related to cooling. More could prevent the layer overhanging from sagging so much. I love the support and adaptive cubic for that.

I assume you checked the usual? Extruder clog? some kind of thing preventing extrusion. I have had silly moment where you look up after a while of head scratching only to see the filament stuck.