Main wire = number of round x circumference of ring + 5cm ( 2 inch ) - wire bending = 10cm ( 4 inch ) * With this ring model you can use a variety of stone shapes (can be applied to irregular ...

In Echelonnement (1934), Sophie Taeuber-Arp has taken a simple white shape as her motif and repeated it against a blue background. The pattern is irregular because the height of the shape changes ...