FGMarshall

On my iMac I discovered /Users/my_name/Library/Application Support/cura/2.7/quality/ and /Users/my_name/Library/Application Support/cura/2.7/materials/ If you put the files from this site into those folders at least they become valid choices in the menu....

I deleted all and downloaded again all your options came up in the menu I chose zyltech red pla for this experiment The Material box shows Red PLA Profile shows...