I just noticed that "Birdie" wrote Quill - it's copyrighted to him on the back of the box - it was published under licence by Idigicon.
Mmm, we need to convince "Birdie" to do a Quill 2.
IIRC I think Idigicon own Quill3d, Birdie sold the rights to them. Would be nice to have a new Quill3d :)