Yes folks! It's the poorly designed spool holders which cause this. Take it off the top of the printer, how stupid. Move your spool down next to the extruder so it's going in at a more level angle, thereby reducing the friction causing the erosion. I just rigged a dowel rod and some 608zz bearings, and other stuff from around the shop for support. Even if your not Maker Steve :) and only print a few times week, your prints are likly to come out better. Or at the very least, put off the expence and work of the upgarde.