Quote Originally Posted by Roxy View Post
PronterFace tells you how much (how long) filament you need to finish the print when you load the GCode. But it is hard to tell how much is on a spool!
I should be easy to calculate the weight of the filament from its length, Cura does that; then you only need to know the weight of an empty spool, substract it from the spool + filament and then you can see if it's enough or not.