This model for 3d printting. Units millimeters. Inner diameter: 60 millimeters (Scale it in your slicer program if you want it bigger). I recommend you use 0.4 mm resolution or 0.3 . Rafts: Yes. Supports: Yes. Infill: 90-100% . Use STL for your slicer program.
autodesk a360 public link: https://a360.co/2Xb0PdK