Macros: limit primeblob size during priming to prevent oversized blob…

…s with large nozzles (>0.6mm). (#62)
Rat-OS · Mar 3, 2025 · 1322e24 · 1322e24
1 parent ce1433d
commit 1322e24
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/configuration/macros/priming.cfg b/configuration/macros/priming.cfg
@@ -447,9 +447,9 @@ gcode:
 	G1 Z{0.5 + start_z_offset} F{z_speed}
 	# Move to final position horizontally
 	G1 Y{y_start} F{speed}
-	# Extrude a blob (split in two moves to avoid thresholds)
-	G1 F300 E{14 / ((0.4 / nozzle_diameter) ** 2)}
-	G1 F300 E{14 / ((0.4 / nozzle_diameter) ** 2)}
+	# Extrude a blob (split in two moves to avoid thresholds and limit the blob size)
+	G1 F300 E{14 / ((0.4 / [nozzle_diameter|float, 0.6]|min) ** 2)}
+	G1 F300 E{14 / ((0.4 / [nozzle_diameter|float, 0.6]|min) ** 2)}
 	# 40% fan
 	M106 S{fan_speed} 
 	# Move the extruder up by 5mm while extruding, breaks away from blob