yes ,it is 54.6 mm
The Exquisite series : the core is visible and the pieces are transparent;
The Crystal series : the core is transparent and the pieces are visible;
The Other series : the core and the pieces are visible;
It may the most beautiful cubes in the world?
I have made two bandaged cubes from 5X5X5, the creativity originates from the 4X4X4 Burr cube and the wall cube,
I didn't see the two cubes before, if so, the cubes are the original,:);
Thanks for the creators of the Wall cube and the Burr cube. the Burr and Wall cube are so beautiful...