The Loft vases share 5 profile curves: square/4 faceted curve (bottom), 8, 16, 32 and the circle/infinity (top).  One of them was connected with straight surface and the other one was connected with curved surface generated by Rhino. 

Loft vase - curved
Porcelain, bronze glaze
8.5"x 8.5"x 8.5"
Photo credit: Don Yoshida
Loft vase - straight
Porcelain, bronze glaze