I have tried toying with a number of settings and no matter what I seem to do, there always ends up being gaps in the sliced model for some reason. Slicer v1.5.0.60. If someone has figured out how to get them to work, please share your settings.
Probally its the setting “Slicing Mode” should be on even-odd for 3DPrintLab models. Didnt test it though