My design wall helped tremdeously in laying out the pattern and also in keeping track of which square was to be sewn to which other square. There are 15 x 18 squares, plus the border, and the quilt ended up 175 x 205 cm.
On the back side I used three of the patches I've already made before I decided it was a bad idea, plus a whole bunch of scraps and left overs.
The finished quilt has been handed over yesterday, and I think it was well received.
(And thanks to Michael for helping with the modeling)