3DM 3

Unknown

3d · also known as Rhino 3D Model (3), openNURBS (3)

The 3DM (openNURBS) format is a 3D model representation based on non-uniform rational B-Splines (NURBS). The file format is defined by an open source C++ toolkit that reads and writes openNURBS models.

Identify it

Extensions	`.3dm`
Signatures	`33442047656f6d657472792046696c6520466f726d617420202020202020203301000000` at byte 0 (3DM 3)
PRONOM	`x-fmt/435`
Wikidata	`Q29945412`

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Open it

PhotoRecOpen sourcereads · GNU General Public License
Amapi Pro 7reads and writes
Moment of Inspirationreads and writes
Nugrafreads and writes
PhotoModelerwrites · proprietary license
PolyTrans 4.1.2reads and writes
Rhinoceros 3Dreads and writes · proprietary license
T-FLEX CADreads and writes · proprietary license
VisualARQreads and writes
Keyshotreads
Onshapereads · proprietary license
ABViewerreads
Alibre Designreads
ArchiCADreads · proprietary license
Fusion 360reads
IRONCADreads
Navisworksreads
SOLIDWORKSreads · proprietary license
SpaceClaimreads
TransMagicreads

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Sources

From PRONOM, Wikidata. Updated 2026-10-20.

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