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brenyw

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  1. Don't just drag the same file into the folder (you aren't trying to overwrite the existing file), give it a new name first, then drag it into the folder. If you overwrite the file nothing will happen unless you clear the printer from your machine instances folder in the roaming folder (access by clicking help>show configuration folder) The prefix takes the first character from each word in "name", so changing from A8 to A6 wont make any difference to the name unless there is a space between the A and the 6. BTW I am not a computer programmer and generally have no idea but I just mucked around with this until it worked. I found the default prefix pretty useless so I found this thread when I was searching how to change it.
  2. I posted this answer elsewhere, for a similar query. Done for Windows but shouldn't be much different for Mac: How to change the prefix in saved Cura files. In this example I use a Wanhao i3 plus (for other printers copy the relevant printer file) Copy the following file to your desktop and rename the copy to your preference: C:\Program Files\Ultimaker Cura 4.2\resources\definitions\wanhao_i3plus.def.json I renamed it “wanhao_i3plus_PETG.def.json” in my example Open the file to alter it, I use a program called “Code Writer” Within that file, edit the name (line 3) to your preference. Remember the first character of each word in the name will become the prefix of files created, so don’t use spaces between words if needed. Example: "name": "Poly EthyleneTerepthalateGlycol" Will give the prefix “PE_” (you could also call it P ETG to get the same effect, or start with the printer name) If you use a single word, you will only get a single character prefix. Then copy the new altered file back into the folder, you need administrator rights for this. When you open Cura, the printers will now include the one created, and it will still be under the “Wanhao” brand name. When you select the printer called “Poly EthyleneTerepthalateGlycol” you can then select a material profile to attach to it. Then whenever you open that printer profile in future, it will be attached to that material. For example I have a printer named Poly LacticAcid attached to PLA material (will get “PL_” prefix, and Poly EthyleneTereptheneGlycol attached to PETG material (will get “PE” prefix).
  3. My mistake on the file extension, should end in .json like the other files. (fixed the post above) The guide above is for windows, shouldn't be much different for a Mac. BTW it is worth saving your new printer file in a safe location in case any future Cura update removes it from the list. You can also change other printer parameters in the file if your printer is modified or different from the one you have copied.
  4. How to change the prefix in saved Cura files. In this example I use a Wanhao i3 plus (for other printers copy the relevant printer file) Copy the following file to your desktop and rename the copy to your preference: C:\Program Files\Ultimaker Cura 4.2\resources\definitions\wanhao_i3plus.def.json I renamed it “wanhao_i3plus_PETG.def.json” in my example Open the file to alter it, I use a program called “Code Writer” Within that file, edit the name (line 3) to your preference. Remember the first character of each word in the name will become the prefix of files created, so don’t use spaces between words if needed. Example: "name": "Poly EthyleneTerepthalateGlycol" Will give the prefix “PE_” (you could also call it P ETG to get the same effect, or start with the printer name) If you use a single word, you will only get a single character prefix. Then copy the new altered file back into the folder, you need administrator rights for this. When you open Cura, the printers will now include the one created, and it will still be under the “Wanhao” brand name. When you select the printer called “Poly EthyleneTerepthalateGlycol” you can then select a material profile to attach to it. Then whenever you open that printer profile in future, it will be attached to that material. For example I have a printer named Poly LacticAcid attached to PLA material (will get “PL_” prefix, and Poly EthyleneTereptheneGlycol attached to PETG material (will get “PE” prefix).
  5. I change the prefix to PL for PLA and PE for PETG. Otherwise you wouldn't know what material the gcode was created for. We also have different sized/branded printers, so each printer also needs a character to identify it. Therefore a customisable prefix for each printer with flexibility in number of characters would be ideal. Then I could have for example FPL for Flashforge PLA, WPE for Wanhao PETG etc.
  6. Try this start-end gcode. I am having difficulty getting good sharp edges and good top surface finish when using other than Flashprint. (using PETG) Must be something to do with acceleration and jerk I am guessing. 1START_END .gcode
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