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Installing the TH3D firmware wasn’t too bad, but I found their instructions a little lacking. However, I now have a flashed printer, all ready to go for my EZABL. All I need to do is print out the mount on one of my spares, and I can update on progress.
I’m going to print out the stock CR-10/Ender3 mount for the moment. Maybe later when I have some PETG, I might print out a fan shroud and let you know how that goes