
3D grading model services turn your paper plans into machine-readable surfaces that GPS-guided equipment can follow with precision. Whether you’re grading pads, parking lots, roads, or full subdivisions, a well-built model makes your crew faster, your work cleaner, and your costs more predictable. At Earthwork Digital, we deliver clean, accurate 3D grading models that are field-tested and ready to go.
What Are 3D Grading Model Services?
These services convert your CAD files, PDFs, and civil plans into detailed digital terrain models (DTMs). These models are used in GPS machine control systems to guide bulldozers, motor graders, scrapers, and other grading equipment. Instead of relying on stakes and string lines, your machines follow a 3D map of the exact grade required—saving time and reducing rework.
What’s Included in a 3D Grading Model?
- Finished grade surface (top and subgrade)
- Contours, slope lines, and breaklines
- Roadways, pads, curbs, and drainage features
- Topsoil strip/replacement boundaries
- Export formats compatible with Trimble, Topcon, Leica, and more
Why Contractors Use 3D Models
- Speed: Keep machines running without waiting on layout.
- Accuracy: Cut and fill to spec the first time.
- Cost Control: Reduce wasted material and labor.
- Consistency: Ensure all operators follow the same grade.
Our Process at Earthwork Digital
We start with your plan set, CAD files, and grading sheets. Then we build your 3D model using AGTEK, Trimble Business Center, or another platform suited to your system. Before delivery, we verify elevations, catch conflicts, and run checks to ensure your model is solid. Once complete, we deliver a clean file that uploads straight to your GPS gear—no adjustments needed.
Field-Ready Models Built By People Who Understand Grading
We don’t just convert lines into surfaces. We think through your site, looking at haul paths, drainage flow, pad transitions, and access points. Our experience means we build models that actually work—no surprises, no wasted time in the field.
Conclusion
Need a 3D grading model that works the first time? Contact Earthwork Digital and let us build your surface right the first time—so your crew can build it faster and cleaner.