Heart ring

 

Inner diameter: 17.5mm (scale to adjust size as needed)

 

Desired Diameter (mm)	Scale (%)

15.0

85.71

15.5

88.57

16.0

91.43

16.5

94.29

17.0

97.14

17.5

100.00

18.0

102.86

18.5

105.71

19.0

108.57

19.5

111.43

20.0

114.29

20.5

117.14

21.0

120.00

21.5

122.86

22.0

125.71