v1.8.1

Fixed

• Blender Export:
  • Stacked boards when using an automatically generated PCB3D.
  • Point of view when using the human names instead of the axis names.
• Footprint variant (created by Var Replace filter):
  • Flipped components didn't get flipped after replacement (#664)
  • Problems generating drill outputs (#663)
• PCB print: errors when printing a fully empty layer