Sizing Kit: 3D Printing Option

Do you have access to a 3D printer? Do you want to print your own ring sizers for the Oura ring? Here's how to get started.

  • The file format is: .stl
  • Each ring is its own file. We recommend that you start by printing 2 – 3 ring sizers and trying them on first. If they don't fit, print more sizers.
  • Choose a high-quality material for the 3D print. The inner surface of the new Oura ring is very smooth, so if you do the ring sizing with a coarse 3D print, the results may not be optimal.

Download 3D printing files

When you're done with the 3D printed rings and you don't need them anymore, you can pass them along to a friend or a loved one.

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