Here is my first 3D printed ring (well 3D printed wax and cast) just after its initial polish with the silicone wheels

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Design was done in Blender and the print and cast was done by NextDayWax.com in palladium (as I have never used palladium, or to my knowledge handled it, this seamed like a good opportunity to get my hands on some)

I have the same design being made by cooksons DMLS process but that has not arrived yet.