Ratrig Toolhead V-core 3.1 Filament Cutter
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Yet another Ratrig Toolhead V-core 3.1 Filament Cutter
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Hardware Needed:
#4 cutting blade
2 M3x16 hex screws
ballpoint pen spring
To make this design work there are some software changes needing to be made.
I increased the size of the bed to 410 in the X direction in the stepperX section of the printer.cfg file.
[stepper_x]position_max: 410
I also changed where priming takes place to be to make sure the new X value would cause an accidental partial cut during priming. I did this my changing the offset from 5 to 10 in the x direction in the [gcode_macro PROBE_FOR_PRIMING] and [gcode_macro PRIME_BLOB] macros. However I found a quicker way that does require modifying the macros themselves. In the printer.cfg file add the following under the RatOS macro section:
[gcode_macro RatOS]
variable_nozzle_priming: "primeblob"
variable_nozzle_prime_start_x: "min"
This will move the primeblob from the side with the filament cutter to the side with the endstop limit switch.