Due to a new problem of production I must change the original model ring flower) to the new model (new ringflower). Shapeways doesn't want to produce them anymore, too thin... I will soon change the pictures.
here is a good link to see the good size of ring.. I propose 4 sizes but of course I can upload others...!
1.94 w x
1.458 d x
0.764 w x
0.574 d x