Too much or too less material

Diameter of the filament tolerance but also diameter of the hobbled wheel make a certain uncertainty of the amount of material coming out of the extruder.

Too much material have the following effects:

Material is squeezed out of the perimeters, since the infill is empty it makes no effect. Nozzle gets in collision with extensive material of the previous layer. Wiggling of the object, loosing stepper motor steps or part falling of the bed might occur.

To less material makes bad print quality. Scratching with the fingernail over a side might cause that strings come off.

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