Convert 3MF to X (DirectX) Online — Manufacturing to Legacy DirectX (Beta)
Convert 3MF (3D Manufacturing Format) files to X (DirectX) format for use in legacy DirectX visualization tools, engineering review applications, and DirectX-based simulation software. 3MF is the ISO standard for 3D printing (used by PrusaSlicer, Bambu Studio, Cura), while X format is Microsoft's legacy 3D model format for DirectX 7-9 era engines.
Last updated Mar 2026
Beta — 3MF support is experimental. Some models may not convert correctly.
Data Loss — Converting 3MF to X (DirectX) will not preserve vertex colors.
Drag 3MF file here, or click to upload
Supports .3mf files up to 150MB
Usually under 3 seconds — depends on file size.
What You Should Know
What Changes During Conversion
Geometry (triangles) is preserved. 3MF color resources are simplified to basic diffuse materials. All print metadata (orientation, supports, infill, temperature profiles), multi-component assembly data, OPC relationships, and embedded thumbnails are discarded. The output is geometry with basic materials in X format.
Cross-Domain Conversion
This is a cross-domain conversion between manufacturing (3MF) and game/visualization (X). Expect significant data loss in format-specific features. Geometry fidelity is maintained, but the rich manufacturing context is lost.
3MF vs X (DirectX): Quick Comparison
| Feature | 3MF | X (DirectX) |
|---|---|---|
| Primary Domain | 3D printing / manufacturing | Game engines / visualization |
| Materials | Print-oriented (colors, resources) | Basic diffuse/specular |
| Print Metadata | Full (settings, supports) | None |
| Animation | Not supported | Skeletal animation |
| Packaging | ZIP container (OPC) | Single file (text/binary) |
| Era | 2015+ (ISO standard) | Late 1990s–2000s |
Use 3MF for manufacturing and 3D printing workflows. Convert to X only when a legacy DirectX tool requires .x input for visualization.
When to Convert 3MF to X (DirectX)
Legacy Visualization of Manufactured Parts
View 3D-printed part geometry in legacy DirectX-based engineering review tools that only accept .x format. Useful for organizations with legacy visualization infrastructure.
Virtual Replicas in Legacy Engines
Create virtual replicas of 3D-printed objects in legacy DirectX game engines for simulation, training, or visualization applications.
Legacy Pipeline Integration
Bridge modern 3MF manufacturing workflows with legacy DirectX-based quality inspection or documentation tools.