I'm using PETG, the thickness of the filament is 1.75mm, in MakerBot there is a setting for "Layer Height", the default is 0.1mm, I've had lots of messed up prints with this material and I'm thinking it could be this setting that needs adjustment.
What layer thickness should be used?
Found this: http://forum.makergear.com/viewtopic.php?f=11&t=2593