Could it be we’re still missing one piece?
https://www.planetcalypsoforum.com/gallery/files/6/6/8/8/Puzzle22b_thumb.jpg[size=1][br]Click to enlarge[/br][/size]
The funny thing is, as I’ve mentioned earlier, that if you for instance mirror the two top parts - they fit just aswell 
https://www.planetcalypsoforum.com/gallery/files/6/6/8/8/Puzzle222_thumb.jpg[size=1][br]Click to enlarge[/br][/size]
