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First layer line in middle

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Posted · First layer line in middle

I have my first layer height dialed in on my UM3. Now getting nit picky :D. I seem to have differences in layer thicknesses when I start in the middle of the first layer. As it moves from the middle to one side, it seems to lay out one side thicker than the other side. Assume things are heating up more, flowing more freely as it works out to the edge on one side. Then when it goes back into the middle to complete the other side, there is a noticeable difference in the layer width.

Any solutions to combat this? Taking longer to heat things up prior to starting to pint? Or is there a way in Cura to force the first layer to start on one side and not in the middle?

5a333b3db0a2a_ScreenShot2017-05-25at11_40_22AM.thumb.png.43b84e1b9983391f66a161705a21433a.png

5a333b3db0a2a_ScreenShot2017-05-25at11_40_22AM.thumb.png.43b84e1b9983391f66a161705a21433a.png

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Posted · First layer line in middle

I don't think there's a way to tell Cura where to start the fill pattern. I think it has to do with temperatures going to equilibrium in your printer. Not so much in the print head, but the bed and the frame.

If you'd like to experiment a little, use the preheat function in Cura, or set the temperature of the bed manually 15 minutes before start.

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Posted · First layer line in middle

Thanks. I will try pre heating and see if thats whats causing it.

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