Hello,

There is two kind of different filament sizes for 3D printing, there is 1.75/3mm±0.05mm sizes.

As far as I know the optimal sizes for
1.75mm is actually 1.75 ±0.05mm
3.0mm is actually 2.85mm ±0.05mm (not 3mm at all, I don't know why the standard is stated to be 3mm, anyone knows why?).

Now my question is, if I am going to extrude the best filament in terms of diameter size, what kind of mm should I extrude for respective diameter size, and why? Also state your machine name if possible.

We are having a project to control the quality of our filament, that is why I need gather some real data.

All answer is welcome.