Hello, Thanks you to see my 3d model.In the file that you can download there are three rings, for printing it in resin with a sla printer, detailed design that allows for close-up and renders, and the native model is made in rhino, with grasshopper plug.in, and rendered in Keyshot. Renders have no postprocessingThe size of the ring is 19,5 mm but you can scale for more sizeExclusive Original 3D Model design Realistic 3D model 1:1 solid 3D Model Keyshot 5.0 Rendering1.This model can be used for 3D printing and mold production.2.It can also be used to create** product animations and game props*.3.This rendering file can *render high-definition images and animations.printing requirementsIt's dosent requite support, I recommend t ouse a layer heigh of 0,1mm and an infil of 10% I devide the cover in two part for print the cover in a rigid material like pla, and for make the cover usableFile Formats:.fbx (multiformat mesh) .stl (multiformat mesh) .obj (multiformat mesh)Also check out my other models, just click on my user name to see complete gallery.If you need a customized 3D model of other related products, please contact me at st3d.redy@gmail.com and our team can do it for you.