Offenbar hatte selbst Nophead Probleme damit: http://hydraraptor.blogspot.de/2016/01/a-bridge-too-far.html Eventuell anderer Slicer: https://github.com/prusa3d/Slic3r Arch: https://aur.archlinux.org/packages/slic3r-prusa3d/