3D Printing Blobs Solved! @CreatewithTech

Uploaded December 2020 | Updated September 2026, 2 hours ago

After updating my 3D printer's firmware I started getting blobs on my prints. It took a bit of sleuthing but I figured out what was going on! I walk you through my thinking process and give 10 suggestions that may help you when you encounter tech issues.

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$Stop Filament Ooze From 3D Printer Nozzle If youve installed an Automatic Bed Leveling system on your 3D printer and youre experiencing filament ooze from your nozzle before the ABL does a mesh this video will show you how to fix the problem. 00:00 - Intro 03:10 - Gcode Instructions Cura 09:41 - Testing on Ender 3 Pro 11:12 - Outro HERES THE ENDER 3/ENDER 3 PRO GCODE. IT SHOULD WORK ON OTHER PRINTERS AS WELL. CURA ; Ender 3 Custom Start G-code G92 E0 ; Reset Extruder G28 ; Home all axes M104 S140 ; Set Extruder temperature M140 S{material_bed_temperature_layer_0} ; Set Heat Bed temperature M190 S{material_bed_temperature_layer_0} ; Wait for Heat Bed temperature G29 ; Initiate Bed Leveling G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position M104 S{material_print_temperature_layer_0} ; Set Extruder temperature M109 S{material_print_temperature_layer_0} ; Wait for Extruder temperature G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little G1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line G92 E0 ; Reset Extruder G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed G1 X5 Y20 Z0.3 F5000.0 ; Move over to prevent blob squish PRUSASLICER G90 ; use absolute coordinates M83 ; extruder relative mode M140 S{first_layer_bed_temperature[0]} ; set final bed temp M104 S140 ; set temporary nozzle temp to prevent oozing during homing and auto bed leveling G4 S10 ; allow partial nozzle warmup G28 ; home all axis G29 ; auto bed levelling G1 Z50 F240 G1 X2 Y10 F3000 M104 S{first_layer_temperature[0]} ; set final nozzle temp M190 S{first_layer_bed_temperature[0]} ; wait for bed temp to stabilize M109 S{first_layer_temperature[0]} ; wait for nozzle temp to stabilize G1 Z0.28 F240 G92 E0 G1 Y140 E10 F1500 ; prime the nozzle G1 X2.3 F5000 G92 E0 G1 Y10 E10 F1200 ; prime the nozzle G92 E0$

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3D Printing Blobs -- Solved!