MeshFormat

3DM Converter

Rhinoceros native NURBS and mesh documents. Convert 3DM files into other formats, all inside your browser.

  • Private by designFiles stay on your device.
  • No queueConversion starts instantly.
  • No sign upNo account, no limits per day.

What is 3DM?

3DM is the openNURBS based native format of Rhino. It stores NURBS surfaces, meshes, layers, blocks and object attributes, and the openNURBS toolkit makes it one of the few native CAD formats that is genuinely readable outside its host application.

Typical uses

  • Industrial and jewellery design
  • Architecture and Grasshopper workflows
  • NURBS surfacing

Supported by

  • Rhino
  • Grasshopper
  • Revit via plug-in
  • Blender via add-on

Format details

Extensions
.3dm
Full name
Rhino 3D Model
Category
CAD / solid modelling
Encoding
Binary
MIME type
model/vnd.3dm
Direction
read

Questions

What is a .3dm file?

3DM is the openNURBS based native format of Rhino. It stores NURBS surfaces, meshes, layers, blocks and object attributes, and the openNURBS toolkit makes it one of the few native CAD formats that is genuinely readable outside its host application.

Which applications use 3DM?

Rhino, Grasshopper, Revit via plug-in, Blender via add-on all work with .3dm files.

Can I export to 3DM?

Not yet. 3DM is supported as an input format, so you can convert 3DM files into any of the supported output formats.

Are there limits with 3DM?

3DM is supported as an input only. NURBS surfaces are tessellated on import.

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