Fantastic work Arianna !!
Good references for these modern quilting designs are:
'Quilting Modern, Jacquie Gering and Katie Pedersen, Interweave Press, 2012
'Free Motion Quilting' with Angela Walters, C & T Publishing, 2012
Angela Walters Blog:- quiltingismytherapy.com
Olwyn completed her blue strip quilt with fussy cut centre square and it looks beautiful .....
wish my photography was as good! Great work Olwyn