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-rw-r--r--klippy/extruder.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/klippy/extruder.py b/klippy/extruder.py
index 9403ec4f..2555d788 100644
--- a/klippy/extruder.py
+++ b/klippy/extruder.py
@@ -70,8 +70,11 @@ class PrinterExtruder:
inv_extrude_r = 1. / abs(move.extrude_r)
move.limit_speed(self.max_e_velocity * inv_extrude_r
, self.max_e_accel * inv_extrude_r)
- elif (move.extrude_r > self.max_extrude_ratio
- and move.axes_d[3] > self.nozzle_diameter*self.max_extrude_ratio):
+ elif move.extrude_r > self.max_extrude_ratio:
+ if move.axes_d[3] <= self.nozzle_diameter * self.max_extrude_ratio:
+ # Permit extrusion if amount extruded is tiny
+ move.extrude_r = self.max_extrude_ratio
+ return
area = move.axes_d[3] * self.filament_area / move.move_d
logging.debug("Overextrude: %s vs %s (area=%.3f dist=%.3f)",
move.extrude_r, self.max_extrude_ratio,