+// Extruder nozzle diameter = 0.5mm (bzw 0.35mm mit unserer anderen Düse)
+// Filament Width = 3mm
+
+
+// d_schraube ~= 0.007m
+// u_schraube = d_schraube * pi ~= 0.022m
+// motor_steps for 1 circumfence = 200
+// Extruder gear ratio Gr = 14.0 / 43.0
+// STEPS_PER_M_E = 1m / (Gr * u_schraube) * motor_steps ¨~= 27933
+//#define STEPS_PER_M_E 27933
+//experimentell 220mm:
+//#define STEPS_PER_M_E 109400
+//experimentell 200mm:
+#define STEPS_PER_M_E 99455
+