I was willing to give up PETG printing before purchasing this finish. I have a newer Ender 3 pro (bought December 2019) which already has a magnetic base. This product has a magnetic base as well as an adherent PEI surface. I took the magnetic base and threw it in the closet since I already had it. I removed the OEM magnetic surface and glued the PEI surface in place with no problems. PETG prints only improve at higher print temperatures with standard CURA settings. (Read the properties of the thread). I tried many things before this OEM finish, masking tape, higher temp, lower speeds, higher extrusion etc. Nothing worked. This PEI surface works simply and can be easily removed after cooling. My only complaint is that bubbles form between the PEI and the magnetic sheet to which the sheet is glued. They haven't caused any problems yet, but I'm keeping an eye on them.
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