It's a small netcup for your hydroponics projects.

Top diameter: 84.3mm
Bottom diameter: 60mm
height: 63mm

It prints fine without any supports!

Onshape file:
https://cad.onshape.com/documents/3495482e5072e76496457b6e/w/e8aa2b7a22f9a1d50f8ae2a2/e/8e22cf69343cf96394228b38