Last time we talked about what is the Layer Height, today we are going to talk about another important setting in the 3d slicing software - First Layer Height.
First Layer Height refers to the first layer of the 3d model that is printed on the heated bed. In general, the value of the first Layer Height is bigger than that of the Layer Height. When printing starts, 3d printer will use the first layer height value to print the first layer of a model and then use the Layer Height value to print the remaining layers.
The reason why the value of first layer height is bigger than that of Layer Height is because we want the first layer to attach on the build plate more firmly. For example, if the Layer height is set to be 0.2mm, then the first layer height should be 0.25mm or even a little bit bigger. If the first layer height is too small, the first layer may not be able to attach on the print bed firmly and slip away.
You can follow the below screen shot to set the first layer height in the Flashforge's 3d slicing software Flashprint:
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