I saw a design I liked and thought Id do my own version, this was part of a ring that developed into what you see now.large link will be approx 6m at this sizesmall link 3gm approxthis can be scalled in slicer to what i have no idea although you can see detail in my prototype print to which i have thickened the jump ringsthis design can be mismatched as in all small links all big or 3plus 1 what ever you want