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bottom thickness 0 only for first layers

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i'm printing something that's very wide at the bottom and the surface it sits on doesnt need to be closed, to save time and material. a simple solution would be to set bottom thickness to zero, but there are some overhangs a bit higher up, and those get their bottom removed also with this setting. cutting the model in parts, stacking them in cura and changing the settings for each part doesn't help because the bottom/top gets printed at the seams, increasing the time again


i basicly need a setting to change the bottom touching the buildplate to be 0, not the bottoms on overhangs

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If it's a one time thing, you could edit the g-code - you could cut out the bits you don't want.


Set basically delete the lines after the set up and the skirt, going to layer 3 or 4 (or whatever the first no-bottom layer is, (number of floors + 1), then just set the current Z to that height, and you should be able to retain the rest of the code.


It's probably a good exercise, and doesn't require massive new skillsets.

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