在线将 STL 转换为 THREEMF（免费且安全）
免费在线 STL 转 THREEMF 转换器。浏览器快速转换，保留PBR纹理材质，不保留用户数据，无水印。
Select .STL File
or drag & drop .stl file here
.stlAbout STL (Stereolithography)
The standard format for 3D printing and additive manufacturing. Defines surface geometry using unstructured triangulated facets.
Primary use: 3D printing, rapid prototyping, and CNC machining
.3mfTarget Format: 3MF (3D Manufacturing Format)
Modern successor to STL for additive manufacturing. Contains color, materials, multi-part assemblies, and slice data.
Primary use: Modern multi-color 3D printing (Bambu Lab, Prusa XL, Stratasys)
🔒 Zero Data Retention
Files auto-purged, zero AI training on user data
✨ 100% Free & Uncapped
No subscription, no watermark, commercial rights
⚡ Fast & Lossless
PBR textures, materials, and geometry preserved