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3D Solid & B-Rep Standard13 verified tools

Software That Opens & Edits 3DM Files (13 Tools, 2026)

The 3DM format is the native file type of Rhinoceros 3D, the industry standard for NURBS-based mathematical 3D modeling, industrial design, and computational architecture. Because 3DM files store precise double-precision NURBS curves, surfaces, and solids, they maintain perfect geometric fidelity without the mesh tessellation loss of formats like STL. The format is open-source (via the openNURBS initiative), allowing a wide variety of CAD, rendering, and rapid prototyping tools to import and export Rhino models directly. Below are all the tools in our catalog that support the 3DM format.

Instant 3DM Engineering Utilities

Convert, Compress & Inspect 3DM Files Online

Universal File Compressor →
Size Optimizer

DWG Bloat & File Size Reducer

Purge orphaned DGN linetypes, RegApps & scale lists in seconds.

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#1 Popular Utility

Online CAD File Compressor

Universal CAD & 3D assembly compression and preflight studio.

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AC1018–AC1032

AutoCAD DWG Version Matrix

Verify header versions and down-saving compatibility risks.

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Full read & write support (5)

  • M
    MatrixGold CAD software logo
    MatrixGoldRead & Write
    Custom Quote · Windows · ★ 4.9

    The world's most advanced jewelry design software.

  • R3
    Rhino 3D CAD software logo
    Rhino 3DRead & Write
    Perpetual · Windows / macOS · ★ 4.9

    The industry standard for complex NURBS modeling and computational design.

  • V
    Vectorworks CAD software logo
    VectorworksRead & Write
    Subscription / Perpetual · Windows / macOS · ★ 4.6

    The all-in-one BIM solution for landscape and entertainment design.

  • M
    MoI3D CAD software logo
    MoI3DRead & Write
    Perpetual · Windows / macOS · ★ 4.3

    Moment of Inspiration — lightweight NURBS modeller beloved for fast concept design.

  • C
    CorelCAD CAD software logo
    CorelCADRead & Write
    Perpetual · Windows / macOS · ★ 3.6

    Affordable DWG-compatible CAD software offering 2D drafting and 3D design tools for professionals on Windows and macOS.

Read-only / viewers (7)

  • R
    Revit CAD software logo
    RevitRead Only
    Subscription · Windows · ★ 4.9

    The de-facto standard for Building Information Modeling (BIM).

  • A
    AutoCAD CAD software logo
    AutoCADRead Only
    Subscription · Windows / macOS / Web / Android / iOS · ★ 4.8

    The global industrial standard for 2D drafting and 3D modeling.

  • F3
    Fusion 360 CAD software logo
    Fusion 360Read Only
    Subscription · Windows / macOS / Android / iOS · ★ 4.8

    The cloud-native powerhouse for integrated CAD, CAM, and CAE.

  • 3W
    3Dstudio.co Web Tools CAD software logo
    3Dstudio.co Web ToolsRead Only
    Free · Web · ★ 4.6

    Free client-side browser tools to view, inspect, and convert IFC, STEP, STL, DWG, and 3D files without uploading.

  • DR
    D5 Render CAD software logo
    D5 RenderRead Only
    Freemium · Windows · ★ 4.5

    Real-time ray-traced renderer for architecture, interiors, and product visualization.

  • K
    KeyShot CAD software logo
    KeyShotRead Only
    Subscription · Windows / macOS · ★ 4.5

    Real-time ray-tracing rendering software for product visualization and industrial design.

  • B
    BobCAD-CAM CAD software logo
    BobCAD-CAMRead Only
    Perpetual · Windows · ★ 3.5

    US-based affordable CAD/CAM software for CNC machining with 2-5 axis capabilities.

Write / export (1)

  • A
    ArchiCAD CAD software logo
    ArchiCADWrite Only
    Subscription / Perpetual · Windows / macOS · ★ 4.8

    The BIM software of choice for design-oriented architects.

Rhino 3DM Double-Precision NURBS Standards
Standard 1NURBS Spline Resolution: Rhino 3DM stores precise mathematical NURBS parameters, enabling infinite resolution zoom and manufacturing-ready surface curvatures.
Standard 2Embedded Mesh Cache: 3DM files cache custom viewport meshes to speed up drawing. Modify render settings to control local file size without affecting solid precision.
Standard 3OpenNURBS Integration: Because McNeel provides the openNURBS library freely, third-party CAM and rendering tools can pull precise mathematical geometry without file translation.

Frequently asked

What is the primary benefit of the 3DM format over STL or OBJ?
STL and OBJ represent 3D models as a collection of flat triangles (tessellated mesh), which introduces approximation errors. 3DM represents models using exact mathematical NURBS equations, providing infinite resolution and absolute precision, which is critical for industrial manufacturing and marine design.
Is the 3DM format open and accessible?
Yes. McNeil & Associates maintains the openNURBS toolkit, a free, open-source C++ and .NET software library that enables any software developer to read and write 3DM files natively without requiring Rhinoceros licenses.
Can I view a 3DM file without Rhino?
Absolutely. Many general CAD programs, standalone viewers (such as eDrawings or openNURBS-based viewers), and web-based portfolio platforms can view and inspect 3DM models without any active Rhino installation.

Need a specific conversion?

Our interactive CAD Matchmaker filters all 13 3DM-compatible platforms against your budget, hardware configuration, and precise parametric drafting needs.

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