I got some not so subtle hints from Boudewijn: he reaaaally would love to have a sweater. And well, he had some reason for those hints, because some time ago (a year..!) I started enthousiastic with a really cool hack of the Billie Sweater of Zonen09.
I don’t know why I left it for so long. And I forgot how far I was with the hacking: I just needed to cut the fabric and sew the damn thing!