Operating system: windows 10
Graphics card: NVIDIA GeForce GTX 1060
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Short description of error
The orientations in exported STL files are mostly not correct
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
When I export to an STL file (especially for 3D-prints) I recognized, that the orientations will not fit to the export settings. I created a simple object (STLTest1.blend