CONVERTER / TO STL

Convert OBJ Files into Printable Meshes

OBJ files can contain polygon faces, normals, UVs, and material references. This tool extracts the mesh geometry and writes a Binary STL for 3D printing.

Select a source file or drop it hereSTL/OBJ can run locally · Advanced formats use the conversion service · Max 250 MB

OBJ

READY

OBJ polygon mesh converted to STL triangle geometry — OBJ mesh to printable triangle geometry

FORMAT GUIDE

Convert OBJ Files into Printable Meshes

OBJ files can contain polygon faces, normals, UVs, and material references. This tool extracts the mesh geometry and writes a Binary STL for 3D printing.

What to check before you export

STL keeps triangle geometry only. MTL files, textures, colors, and UV coordinates are not included in the exported file.

Frequently Asked Questions

What happens to OBJ materials and textures?

STL does not carry materials, textures, UVs, or MTL references. The conversion keeps the surface triangles and recalculates export normals.

Can I print an OBJ after conversion?

Check the face count, bounds, and open-edge warnings before sending the Binary STL to your slicer. Repair simple boundary holes when needed.

Does the converter support large OBJ files?

Uploads are limited to 250 MB and mesh processing is bounded by a face limit. Very large scenes may need to be simplified first.