3DM → PLY

Convert 3DM to PLY

Convert 3DM files to PLY in seconds. Geometry, UVs and materials are carried over where PLY supports them, and the model lands the right way up.

  • Geometry, UVs and materials kept where supported
  • Correct orientation and scale
  • Runs on your computer: nothing is uploaded
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Drop a 3DM file or
Files stay on your computer.
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How to convert 3DM to PLY

  1. Add your 3DM file

    Drop it on the converter above or click browse. It opens in your browser, so nothing is uploaded.

  2. Check the format is PLY

    PLY is already selected. You can switch to any other output from the menu.

  3. Convert and download

    Click Convert and your PLY file is ready in seconds. Download it straight away.

What is 3DM?

3DM is the native file of Rhino, used widely in industrial, jewellery and architectural design. It stores NURBS surfaces, SubD objects, meshes and block instances.

Full name
Rhinoceros 3D model (openNURBS)
Type
Exact CAD geometry
Used in
Rhino, Grasshopper, KeyShot, Blender (with add-on)
Strength
Rich surface modelling data from Rhino.
Limits
Surfaces are converted using the render meshes Rhino saves in the file.
More about 3DM

What is PLY?

PLY stores meshes and point clouds, often with per-vertex colour. It is the usual output of 3D scanners and photogrammetry software.

Full name
Polygon File Format (Stanford)
Type
Triangle mesh
Used in
MeshLab, CloudCompare, Blender, 3D scanner software
Strength
Handles scans and per-vertex colour.
Limits
Little support in CAD tools.
More about PLY

Good to know

Rhino saves a display mesh for every surface it has shown in shaded view. We use those meshes. If a file was saved with "Save Small", open it in Rhino, switch to shaded view and save it again.

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Questions

Are materials and textures kept?

Colours and texture coordinates are carried over when PLY supports them. PLY does not store textures, so only the geometry and colours carries over.

Will my model be upside down?

No. 3DM and PLY may use different "up" directions, and we rotate the model so it stands the same way in your software.

Are my files uploaded?

No. The conversion runs inside your browser.