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Recommended method for changing filament mid print?

Posted: Tue May 21, 2019 6:30 pm
by cougarprinting
I've read a few posts but they were all a bit old.

Can I change filament mid print using Cura or do I need to use a different software? What's the best way to do it right now?

Re: Recommended method for changing filament mid print?

Posted: Wed May 22, 2019 10:35 am
by b-morgan
Yes, you can change the filament mid print using Cura. This is accomplished by using a PostProcessing plugin script. These scripts can be accessed from the Extensions menu, Post Processing, Modify G-Code. These scripts are located at:

C:\Program Files (x86)\cura-lulzbot 3.6\plugins\PostProcessingPlugin\scripts

CuraLE contains a ColorChange script which should work. It uses the M600 G-Code command.

Alternatively, you could use the script I (and others) have modified, PauseAtHeightorLayer4.py which I have attached (in a .zip). Place the .py file in the above folder and (re)start CuraLE.

Re: Recommended method for changing filament mid print?

Posted: Fri Jun 07, 2019 12:34 am
by defuzz
I tried awhile ago to get filament changes working with the existing plugins and ended up writing my own barebones plugin script for the PostProcessing plugin.

Tested on my Mini 1 with Lulzbot Cura.

https://github.com/aerickson/SimplePause