3D & CAD

3D & CAD File Tools

Convert, repair, and analyze 3D files. From 3D printing meshes to editable CAD geometry.

Dedicated Tools

STL→STEP

Convert mesh to editable CAD geometry using FreeCAD's OpenCASCADE engine.

Open Tool →
STEP→STL

Tessellate CAD geometry to a triangle mesh for 3D printing.

Open Tool →

Quick Conversions

Standard mesh-to-mesh conversions — no specialist processing required.

OBJ → STLFBX → GLTFFBX → STLOBJ → GLTFGLTF → FBXGLTF → OBJ

Guides

STL vs STEP

Full format comparison — when to use each, what they store, and how they differ.

3D File Formats Explained

STL, STEP, OBJ, FBX, GLTF — what each format is designed for.