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Intial Layer Horizontal Expansion not working...

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Posted (edited) · Intial Layer Horizontal Expansion not working...

So I have been experimenting with the new Initial Layer Horizontal Expansion to get rid of my small Elephants foot issue.    I printed the 20mm calibration cube with (-0.5mm, -1.0mm and -2.0mm) settings and all three cubes came out identical still with the foot.  The width at the foot is 20.65mm and 19.85mm for the rest of the walls.   


Have I misunderstood the settings?


PS.   double checked and Horizontal Expansion is at 0mm.




Cura 4.7.1

Ender 3 Pro

Glass bed


Edited by radyeus
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    Posted · Intial Layer Horizontal Expansion not working...

    In the Cura preview you should be able to see that the first layer is smaller than the second layer (especially with it set to -1).

    I haven't had any problem getting it to work (same printer as yours).  I keep it at -.25.  If there is another setting that could interfere with Initial Layer Horizontal Expansion I'm not aware of it (but there are a lot of things about Cura I'm not aware of).

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    Posted · Intial Layer Horizontal Expansion not working...

    Initial Layer Horizontal Expansion works exactly as GregValiant says, it just makes the first layer smaller when using a negative value. I also use it in every print to get rid of the elephant foot. I use -0.3

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