US size ring sizer cutters for polymer clay(sharp edge)

If you create rings with polymer clay, these sharp edge deep cutters may become your friends. But! If you print them correctly. To achieve 0.5mm sharp edge follow these printing instructions:

This cutter prints perfectly with FDM printers. I printed mine with Ender 3 using PLA+ (Esun or Sunlu for example for high resistance.)

Printer settings on Cura:

Top/bottom thickness: 15mm Infil: 20 Nozzle: 200-210 Bed: 65 Speed: 40 Spiralize outer contour

Available sizes: 7, 7.5, 8, 8.5, 9.

Good luck and let me know when you print them successfully)