Supported 3D formats

MeshFormat reads 20 formats and writes 12. Every combination below has its own page with a compatibility breakdown and a converter.

Mesh formats

Triangle geometry, sometimes with colours and materials.

STL

.stl

The universal 3D printing mesh format.

Read: Supported
Write: Supported

to STP to OBJ to GLB to glTF to PLY to DAE

OBJ

.obj

Plain text meshes with materials, readable by almost anything.

Read: Supported
Write: Supported

to STL to STP to GLB to glTF to PLY to DAE

PLY

.ply

Scanner friendly meshes with per vertex colour.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to DAE

3MF

.3mf

The modern STL replacement for additive manufacturing.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to PLY

AMF

.amf

XML printing format with units, colour and materials.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

OFF

.off

Minimal academic polygon mesh format.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to PLY

VTK

.vtk

Scientific visualisation meshes with data arrays.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

CAD formats

Exact solids and surfaces from mechanical design tools.

STP

.stp .step

The neutral CAD exchange format every mechanical tool reads.

Read: Supported
Write: Supported

to STL to OBJ to GLB to glTF to PLY to DAE

IGES

.igs .iges

The legacy CAD surface exchange format.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

3DM

.3dm

Rhinoceros native NURBS and mesh documents.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

BREP

.brep .brp

Open CASCADE's native solid modelling format.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

DXF

.dxf

AutoCAD's documented exchange format.

Read: Not supported
Write: Supported

Scene formats

Full scene graphs with materials, textures and animation.

GLB

.glb

Single file glTF with geometry, PBR materials and animation.

Read: Supported
Write: Supported

to STL to STP to OBJ to glTF to PLY to DAE

glTF

.gltf

JSON based scene description, the JPEG of 3D.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to PLY to DAE

FBX

.fbx

Autodesk's animation heavy scene format.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

DAE

.dae

XML scene interchange used by SketchUp and older pipelines.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to PLY

3DS

.3ds

Legacy 3D Studio meshes still common in asset libraries.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

USDZ

.usdz

Apple's AR Quick Look package format.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to PLY

VRML

.wrl .vrml

The original web 3D scene format, still used for PCB and EDA models.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

DirectX

Legacy DirectX meshes with skinning and animation.

Read: Supported
Write: Not supported

to STL to STP to OBJ to GLB to glTF to PLY

Point clouds

Unconnected points from scanners and survey equipment.

XYZ

.xyz .pts

Plain text point lists, optionally with colour.

Read: Supported
Write: Supported

to STL to STP to OBJ to GLB to glTF to PLY