blender 2.8: why do I need to scale 10x on STL export? I am developing a 3d model for a 3D print:



The unit system is metric, and the length is set to millimeters. In order to get the size right, I need to do the STL export scale of 10x:



which shows a "correct" model during Prusa slicing:



Why do I need to do 10x STL Export scaling?

I also applied the scale transformation:
Did you apply the scale transformation after adjusting the scale ? 

ctrl+ A --> Apply scale 

then try it