IxMilia.ThreeMf A portable .NET library for reading and writing 3MF files. Usage Open a 3MF file: using IxMilia.ThreeMf; // ... ThreeMfFile file = ThreeMfFile.Load(@"C:\Path\To\File.3mf"); // use `file` here Building locally To build locally, install the latest .NET 7.0 SDK. 3MF Reference Full specification (from 3mf.io)