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Simple/Quick Tip Shaping

I recently discovered a way to quickly do tip shaping that loosely emulates PrusaSlicer's cooling moves. GCode:

M83
; Repeat this as many times as you want. I found 3 times was good for my use.
G92 E0
G1 E10 F1500
G92 E0
G1 E-15 F1500
; Stop repeating
G1 E-60 F2000; Unload the filament after tip is shaped.

I also made a Klipper Macro that lets you choose how many times to repeat the moves:

[gcode_macro Quick_Tip_Shaping]
gcode:
  {% set moves = params.MOVES | default(3) | int %}
  M83
  {% for _ in range(moves) %}
  G92 E0
  G1 E10 F1500
  G92 E0
  G1 E-15 F1500
  {% endfor %}
  G1 E-60 F2000

It can be used like this:


QUICK_TIP_SHAPING MOVES=3

replacing MOVES=3 with however many moves works for your filaments. I will shortly add this to 3dchameleon-klipper.

404 Views
Alan
Alan
May 15

Nice! does this require the extruder to cool down? I have been just pushing out 10mm of molten filament, then quickly retracting to cold zone for 6 seconds, then quickly pulls out of gears for unloading. I haven't had it fail in thousands of color changes! since it doesn't cool down the changes happen in around 20 seconds!

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