Posts: 2
Joined: Wed Dec 26, 2018 2:19 pm

Interference Pattern on Top Layer

Sat Jan 05, 2019 11:03 pm

I am getting a weird interference pattern on my top layer when that top layer has a hole or protrusion thru it. Attached is a test print with this pattern highlighted with a red oval. I've tried every setting imaginable, but nothing affects it. Please help.

Posts: 527
Joined: Wed Jun 20, 2018 11:45 am

Re: Interference Pattern on Top Layer

Thu Jan 10, 2019 1:32 pm

Avoiding holes and complex geometries will mean that the infill pattern will need to usually jump around more than usual. Walk through your top solid layer line by line in the preview and you'll notice that it fills most of the layer with one pass, but the one side of the hole gets filled in after the larger portion is completed.
"A bird does not sing because it has an answer. It sings because it has a song."

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Posts: 1976
Joined: Tue Mar 10, 2015 3:09 pm

Re: Interference Pattern on Top Layer

Thu Jan 10, 2019 3:23 pm

You may minimise this effect by adding some vertical lift in retraction......just to make sure its not the nozzle wiping across the surface of the final layer.
Doug Kightley
Volunteer at the National Tramway Museum http://www.tramway.co.uk
Railway modeller and webmaster at http://www.talkingtgauge.net

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