About this 3D model

I know, yet another spiral vase. At 100% scale this vase has the following dimensions 250mm high 100mm diameter at top and bottom Approx. 200mm diameter at the center. The shell version STL has a wall thickness of 1.5mm (at 100% scale) The vase in the photos is printed in Lilac Pearl PLA from Diamondage. It was printed with 2 perimeters at 80% scale and took about 5 hours to print.