The flow multiplier is a correction factor of plastic extrusion. Vary this parameter if all parts have under- or overextrusion.

The flow multiplier is a correction factor of plastic extrusion. Vary this parameter if all parts have under- or overextrusion.
The filament diameter of plastic thread is measured in cross section. Usually it is 1.75mm or 3mm. You can find this value on the package of plastic filament.