I had a bad print go all day and came home to find a large blob of nylon melted all around my AA print core, partially onto the BB. So much to the extent that the fan hinged down pulling out one of the wires. I have had a few successful prints, in the month I've owned my UM3+, however this is the second time this has happened. First time was ABS (using original glue stick) with default ABS settings.
This failed print (2nd time print core disaster) setting was default for Nylon (previous successful nylon prints I ran core temperature +15); I deduce is too cold since the lines apparentl