The extruder feed rate is given for each X,Y,Z LINE movement. Is that the value at the maximum speed rate of the head? Since all axes are moving the head is moving at
sqrt (Xspeed ^2 + Yspeed^2 + Zspeed^2) So shouldn't this be proportional to the Feed rate and also the Edistance? I don't see any correlation of this from the Gcode generated by CURA. Has anyone seen any example firmware code for controlling the Extruder Motor?
The extruder can also be moved when X,Y,Z motion is off independent of them.