Improvement of the hotend fan to level the bed

A new way to manually level the bed. A hotend fan cap makes it vibrate and make a noise when the nozzle touches bed.
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updated April 17, 2023

Description

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Download the sensational hotend fan upgrade.
This upgrade makes it very easy to manually level the bed of the 3D printer.
Stop using the sheet of paper to level the bed.
This upgrade is suitable for almost any type of printer. If you have a problem, write to me - [email protected] and I will change the project especially for you.
How to use can be found in the video:
The cap is put on the hotend fan. This results in the nozzle vibrating and making a noise as it hits the glass of the bed.
Changing the height of the bed with the adjustment knob allows you to set the height of the bed with an accuracy of 0.01 mm.

NOTE: Preheat the nozzle to operating temperature. Press the nozzle against the bed. Reduce the temperature to 100 degrees Celsius. Wait for it to be reached. Start leveling the bed.

Film: “3D printing.  Stop using the card! There is a much better way!”
 

To find out about the exceptional precision of this solution
Also download my other project - "Ender 3. Bed Leveling Wheel Clips and Wheel Upgrade".

 

;G-CODE to the magnet levelling for ENDER 3 PRO (use at your own risk):
M83   ; set extruder to relative mode
M140 S50  ; set bed temperature to 50 and continue
;M104 S200  ; set extruder temperature to 200 and continue
M109 S200  ; set extruder temperature to 200 and wait
G28    ; home all axes
G1 Z20 F5000
G1 X120 Y10 F15000
M117 Cline nozzle
G4 S12
G1 E20 F50 ; extract filament 20mm
M0
G1 Z-1.5 F5000
M190 S50  ; set bed temperature to 50 and wait
G1 Z0 F5000   
M117 Put on the cap and magnet
G4 S10
M0
; Cycle 1
;G28
;M0    ; wait
;1
G1 Z6 F5000  
G1 X200 Y205 F15000 
G1 Z0 F5000  
M117 adjust, then press
G4 S10
M0    ; wait
;2
G1 Z6 F5000
G1 X200 Y30 F15000
G1 Z0 F5000
M117 adjust, then press
G4 S10
M0
;3
G1 Z6 F5000
G1 X30 Y30 F15000
G1 Z0 F5000
M117 adjust, then press
G4 S10
M0
;4
G1 Z6 F5000
G1 X30 Y205 F15000
G1 Z0 F5000
M117 adjust, then press 
G4 S10
M0
; Cycle 2
;1
G1 Z6 F5000 
G1 X200 Y205 F15000
G1 Z0 F5000 
;M117 adjust, then press
;G4 S10
M0  
;2
G1 Z6 F5000
G1 X200 Y30 F15000
G1 Z0 F5000
;M117 adjust, then press
;G4 S10
M0
;3
G1 Z6 F5000
G1 X30 Y30 F15000
G1 Z0 F5000
;M117 adjust, then press
;G4 S10
M0
;4
G1 Z6 F5000
G1 X30 Y205 F15000
G1 Z0 F5000
M0
M117 Remove the cap
G4 S10
M0

; Ending
G1 Z2 F5000
G1 X0 Y0 F15000
G1 Z10 F5000
;G1 E30 F50 ; extract filament 15mm

;G-CODE to the nozzle levelling for ENDER 3 PRO (use at your own risk):
M83   ; set extruder to relative mode
M140 S50  ; set bed temperature to 50 and continue
;M104 S200  ; set extruder temperature to 200 and continue
M109 S200  ; set extruder temperature to 200 and wait
G28    ; home all axes
G1 Z20 F5000
G1 X120 Y10 F15000
M117 Cline nozzle
G4 S12
G1 E20 F50 ; extract filament 20mm
M0
G1 Z-1.5 F5000
M117 Press when 100 C
G4 S12
M109 S100  ; set extruder temperature to 100 and wait
M0
M190 S50  ; set bed temperature to 50 and wait
G1 Z0 F5000   
M117 Put on the cap
G4 S10
M0
; Cycle 1
;G28
;M0    ; wait
;1
G1 Z6 F5000  
G1 X200 Y205 F15000 
G1 Z0 F5000  
M117 adjust, then press
G4 S10
M0    ; wait
;2
G1 Z6 F5000
G1 X200 Y30 F15000
G1 Z0 F5000
M117 adjust, then press
G4 S10
M0
;3
G1 Z6 F5000
G1 X30 Y30 F15000
G1 Z0 F5000
M117 adjust, then press
G4 S10
M0
;4
G1 Z6 F5000
G1 X30 Y205 F15000
G1 Z0 F5000
M117 adjust, then press 
G4 S10
M0
; Cycle 2
;1
G1 Z6 F5000 
G1 X200 Y205 F15000
G1 Z0 F5000 
;M117 adjust, then press
;G4 S10
M0  
;2
G1 Z6 F5000
G1 X200 Y30 F15000
G1 Z0 F5000
;M117 adjust, then press
;G4 S10
M0
;3
G1 Z6 F5000
G1 X30 Y30 F15000
G1 Z0 F5000
;M117 adjust, then press
;G4 S10
M0
;4
G1 Z6 F5000
G1 X30 Y205 F15000
G1 Z0 F5000
M0
M117 Remove the cap
G4 S10
M0

; Ending
G1 Z2 F5000
G1 X0 Y0 F15000
G1 Z10 F5000
;G1 E30 F50 ; extract filament 15mm

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