C3D Viewer – Free

C3D Viewer is an easy-to-use application for 3D geometry visualization that allows to read models from standard CAD formats and save them in C3D format. It is based on the functionality of C3D Modeler, C3D Solver, C3D Vision and C3D Converter that are components of the C3D Toolkit.

Geometry Import and Export

  • Reading C3D, JT, STEP, X_T, X_B, SAT, IGES, STL, VRML, OBJ formats
  • Loading multiple models into one scene
  • Saving models to C3D and as JPEG, TIFF, BMP, PNG images.
Geometry Import and Export

Navigation Functions

  • Pan
  • Rotate the model
  • Rotate the camera
  • Orbit rotate
  • Zoom
  • Standard views.

Model tools:

  • Screenshots
  • Exploded views
  • Animation (if available)
  • View of multiple model configurations (if available)
  • Dynamic cross-sections
  • Geometric measurements
  • Mass, moments of inertia, and other physical properties.
Navigation Functions

Rendering and Performance Functions

  • Parallel /perspective projections
  • Shaded / wireframe / hidden line removal modes.

Performance options for better experience with complicated models:

  • Hiding edges in the shaded view mode
  • Anti-aliasing
  • Pixel/Frustum culling.
Rendering and Performance Functions
C3D Viewer Standard Edition is a stand-alone desktop application:
  • Free and unlimited
  • Installation packages for Windows 32/64-bit, Linux
  • Interface languages: English, Russian.

Log in or create an account to download.


C3D Viewer is based on C3D Toolkit functionality.


Learn more
Enterprise Edition

C3D Viewer is available as an embedded 3D visualization tool with a simple API. Developers can quickly add C3D Viewer to their products. A license key is required.

C3D Viewer Enterprise Edition offers additional functionality:

  • Saving 3D models to JT, STEP, X_T, X_B, SAT, IGES, STL, VRML formats
  • Adding annotations to 3D models
  • Proprietary ActiveX-based API for integration with corporate IT systems.

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