The bishop is just fine in Blender but when I export into stl format, the poor fellow comes over with a lump on his head! I’ve tried turning off all the visibility controls in the Properties area and I’ve tried selecting just the bishop, just the bishop with the notch and so on and I’ve run out of ideas. Can anyone offer a suggestion please?
OK, have found a solution of sorts, which is to delete the notch shape before exporting. Hope that helps someone.