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 3D Resources

Welcome to the Sacramento District’s 3D Resources site. Here you'll find a growing collection of 3D models, textures and images from USACE 3D artists. All 3D resources are free for public use and download, unless otherwise noted. They may not be used to imply government endorsement or support of any external organization, program, effort, or persons. We welcome feedback and comments. Tell us how you're using our models, and let us know what you think: spk-pao@usace.army.mil


Sacramento District Area of Responsibility


This model showcases the U.S. Army Corps of Engineers Sacramento District’s area of responsibility, spanning eight western U.S. states, primarily California, Nevada, Utah, and Colorado. The model includes a full U.S. map with mesh terrain and an image texture overlay highlighting major waterways, providing a realistic and detailed geographic representation. This model was featured in a video exploring 95 years of the district’s engineering challenges, solutions, and landmark projects: Watch the video. (Model by: John Prettyman)

  Download:      .BLEND     .GLB

Gravity Dam


This 3D model of a generic gravity dam includes five Tainter gates, three penstocks and a powerplant. The model was used in a USACE animated video showing How the Flood Risk Management System Works. Originally designed in Blender. (Model by: John Prettyman)

  Download:      .BLEND     .STL     .GLB

Engineer Castle


This 3D model of the U.S. Army Corps of Engineers castle accurately matches the dimensions of the 2D castle in the official USACE logo. Originally designed in Blender. (Model by: John Prettyman)

  Download:      .BLEND     .STL     .GLB

Isabella Dam Project


Can you find our virtual engineer in this 3D model of our Isabella Dam Safety Modification Project? When you find her, you’ll get an idea of the real-life scale of this massive flood risk management project near Bakersfield, California. Tip: Select annotations to get details about the primary dam upgrades and features. For more project info visit our Isabella Dam Website.

Note: This model is for illustrative purposes only to show the project scale compared to a human. It does not include all engineering specifications and components of the actual project. Originally designed in Blender. (Model by: John Prettyman)

  Download:      .BLEND     .GLB