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We are seeking an experienced Autodesk Civil 3D modeler to create accurate DTM/TIN surfaces for civil construction projects. Our process involves taking engineered 2D CAD/DWG files and engineered grading plan sets and using the elevations shown on the plans to elevate the applicable 2D linework and create accurate 3D surfaces. The completed models are used by contractors in the field with GPS and automated machine-control equipment, so accuracy is critical. Requirements: Strong Autodesk Civil 3D experience Experience creating DTM/TIN surfaces Ability to read and interpret engineered grading plans Experience elevating 2D CAD linework into 3D Knowledge of feature lines, breaklines, spot elevations, contours, slopes, curbs, and roadway grading GPS/machine-control modeling experience is highly preferred Please provide examples of similar Civil 3D DTM/TIN or grading models you have completed and indicate whether your models have been used for GPS/machine-control applications. Qualified candidates may be asked to complete a technical test using a CAD/DWG file and corresponding engineered plan set.
Project ID: 40668023
13 proposals
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Active 7 days ago
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13 freelancers are bidding on average $39 USD for this job

As an experienced freelance civil engineer and proficient Autodesk Civil 3D modeler, I am confident in my ability to meet and exceed your expectations for this project. Throughout my career, I have successfully created accurate DTM/TIN surfaces for numerous civil construction projects, using the elevations shown on plans to elevate relevant 2D linework into precise 3D models. My familiarity with feature lines, breaklines, spot elevations, contours, slopes, curbs, and roadway grading are assets that will ensure the accuracy and quality of your finished product.
$66 USD in 1 day
7.5
7.5

Hello; We are interested in your Civil Engineering DTM/TIN Model Creation project. We are a professional team of expert architects from all over the world. Our team offers the highest quality and most effective projects with over 14 years of experience and works with a focus on 100% customer satisfaction. When you choose us, you will have a final delivery that exceeds your expectations. We look forward to working with you! Take a look at our past work on our portfolio: https://www.freelancer.com/u/worldarcpart Kind Regards WORLD ARCHITECTURE PARTNERS
$10 USD in 1 day
6.3
6.3

As a seasoned freelancer with a wide array of skills, including 3D modeling and rendering, I am confident in my ability to exceed your expectations for this project. I have extensive experience using Autodesk Civil 3D to create DTM/TIN surfaces and elevate 2D CAD linework into accurate 3D models-making me well-suited for the task at hand. Moreover, my background as a civil engineer gives me the unique advantage of being not just a proficient 3D artist, but someone who understands the importance of precision in construction projects. This understanding combined with my ability to read and interpret engineered grading plans is crucial to ensure that the DTM/TIN surfaces I create conform exacly to your specifications.
$30 USD in 1 day
5.3
5.3

Hello, I am Muhammad Javed, a Civil Engineering professional with more than 10 years of experience in Autodesk Civil 3D, grading, terrain modeling, and construction-ready CAD development. I can create accurate DTM/TIN surfaces from your engineered DWG files and grading plans by converting 2D linework into properly elevated 3D data. I have strong hands-on experience with feature lines, breaklines, spot elevations, contours, slopes, curbs, roadway grading, surface boundaries, and elevation control. I understand that these models are not simply visual 3D surfaces—they must be geometrically accurate and reliable for contractors using GPS and machine-control equipment in the field. My workflow includes carefully reviewing the engineering plans, assigning correct elevations to applicable linework, building and validating Civil 3D surfaces, checking breaklines and contours for inconsistencies, and performing quality control before delivery. I can also work from your CAD/DWG and corresponding plan set and am comfortable completing a technical test to demonstrate my capability. I can provide clean, accurate, construction-ready Civil 3D DTM/TIN models and maintain close attention to every elevation and grading detail. I would be glad to review your sample files and demonstrate my approach.
$200 USD in 7 days
4.5
4.5

I am an experienced Civil 3D modeler with strong expertise in creating accurate DTM/TIN surfaces from engineered CAD/DWG files and grading plans. I can interpret spot elevations, contours, feature lines, breaklines, curbs, slopes, and roadway grading, then convert the applicable 2D linework into precise 3D geometry and build clean, reliable surfaces. Accuracy is my priority, especially for models intended for contractor GPS and machine-control applications. I will carefully review the engineering plans, establish elevations, apply appropriate breaklines and surface boundaries, and perform thorough checks for discrepancies, triangles, slopes, and grading continuity. I can also provide relevant examples of Civil 3D grading/surface work and am comfortable completing a technical test using your DWG and plan set. Give me one opportunity to handle your project. I assure you of dedicated, accurate, and professional work with reliable communication and timely delivery.
$20 USD in 3 days
3.9
3.9

Creating accurate DTM/TIN surfaces is crucial. If the elevations are off, it could lead to costly mistakes in the field, delaying projects and increasing expenses. Contractors rely on precision for GPS and automated machine-control equipment. Missed details can mean major setbacks. I’d start by carefully analyzing the engineered grading plans. Elevating the 2D CAD linework into 3D accurately is my priority because any discrepancies will impact the entire project. I believe in revising models based on feedback to ensure every aspect meets the necessary standards. I’ve worked on similar projects where my DTM and TIN models were directly utilized for GPS applications. Revisions are a part of my process, ensuring accuracy each step of the way. What is the expected timeline for this project, and do you have existing CAD files ready for modeling?
$14 USD in 7 days
3.6
3.6

I’m interested in supporting your civil construction modeling projects. I have experience working with AutoCAD/Civil 3D workflows, 3D terrain modeling, grading interpretation, and accurate CAD-based surface development. I understand the importance of accuracy when a model is used for GPS-guided and automated machine-control equipment. My workflow would involve carefully reviewing the engineered grading plans, identifying controlling elevations and slopes, then converting the applicable 2D CAD geometry into correctly elevated 3D elements. My workflow includes Reviewing engineered DWG files and grading plan sets Interpreting spot elevations, contours, slopes, curbs, roads, pads, and grading limits Creating and editing feature lines Assigning elevations from plan information accurately Creating controlled breaklines and boundaries Building and refining DTM/TIN surfaces Checking triangulation for spikes, crossing breaklines, flat areas, and other surface errors Verifying surface elevations and slopes against the engineered plans Preparing clean, organized Civil 3D models suitable for downstream construction workflows I can also complete a technical test using your CAD/DWG file and corresponding grading plans to demonstrate my workflow and attention to accuracy. Please share a sample grading plan and DWG, and I can review the scope and confirm the expected turnaround time.
$20 USD in 2 days
4.1
4.1

Hello, The key challenge is converting engineered 2D grading information into a reliable 3D DTM/TIN surface without losing the intended elevations, breaklines, slopes, and drainage geometry. Since these models may drive GPS and machine-control equipment, small elevation or feature-line errors can become field problems. I’d build the Civil 3D surface from the supplied DWG and grading plans, using the correct feature lines, breaklines, spot elevations, and contours, then validate the finished surface against the engineered elevations and grading intent before delivery. Can you provide the DWG and grading plan set so I can review the surface complexity and confirm the required Civil 3D workflow?
$15 USD in 1 day
3.9
3.9

Manish Saini – PrimePixel — Our experienced Civil 3D team can create accurate DTM/TIN surfaces from engineered DWG/CAD and grading plans, carefully interpreting elevations and converting 2D linework into reliable 3D models. We’re familiar with feature lines, breaklines, spot elevations, contours, slopes, curbs, roadway grading, and the precision required for GPS and machine-control workflows.
$40 USD in 3 days
2.9
2.9

Hello, I’m Dr. Imran Khan, a PhD-qualified CAD/Civil Design Engineer with 15+ years of experience in Autodesk Civil 3D, grading, terrain modeling, and technical CAD documentation. I can create accurate DTM/TIN surfaces from your engineered DWG files and grading plans, carefully interpreting elevations and converting the applicable 2D linework into reliable 3D models. My workflow includes: • Creating and editing Civil 3D TIN/DTM surfaces • Elevating 2D linework using plan elevations • Feature lines, breaklines and surface boundaries • Spot elevations and contours • Curbs, slopes, pads, roads and drainage-related grading • Surface validation and elevation checks • Clean layer/style organization for easy future editing • Preparation of models suitable for GPS and machine-control workflows Accuracy is my priority because I understand these models may be used directly by contractors and machine operators in the field. I’m also comfortable completing a technical test using your DWG and engineered plan set if required. Please share a sample project or plan set, and I can review the requirements and confirm the workflow, turnaround time, and quotation. Best regards, Dr. Imran Khan PhD – Engineering Civil 3D | DTM/TIN | Grading | Feature Lines | Surface Modeling | CAD
$40 USD in 3 days
2.9
2.9

I can build accurate Civil 3D DTM/TIN surfaces from your engineered DWG files and grading plans, converting the 2D design information into a properly structured 3D model suitable for construction use. I’ll carefully interpret spot elevations, contours, feature lines, breaklines, curbs, slopes and roadway grading, ensuring the surface reflects the engineered intent rather than simply assigning elevations to linework. My workflow includes checking the source geometry, creating and validating feature lines/breaklines, building the TIN surface, applying the correct surface boundaries and breaklines, and performing elevation/contour checks before delivery. I understand that these models may feed GPS and machine-control equipment, so accuracy, clean geometry and surface integrity are priorities. I can work directly in Autodesk Civil 3D and provide the organized native DWG/Civil 3D surface model. I’m also comfortable reviewing a technical test using your actual CAD and grading plan set. Send the sample files and I can assess the scope and confirm the turnaround before starting.
$20 USD in 2 days
2.9
2.9

Hi , You need an expert in 3ds Max, Solidworks, 2D Drafting, 3D Rendering, 3D Design, 3D CAD, 3D Modelling, Autodesk Civil 3D, CAD / SolidWorks and Civil Engineering, and I have a tailor-made solution ready for you. Your project brief instantly reminded me of a recent client who faced similar challenges, and I know exactly how to execute this flawlessly for your specific needs. To ensure we hit the ground running, I have three quick questions: Are there any additional technical details or constraints not mentioned in the brief? What is the primary hurdle currently blocking your progress on this? What is your strict timeline for completion? Why trust me with your project? The Record: 250+ Projects. 6+ Years. 100+ consecutive 5-star reviews. The Standard: Zero misses. I don’t just finish the job; I guarantee flawless execution. The Availability: Full-time freelancer, online 9 AM - 9 PM EST. My biggest "heavy-hitter" projects are kept off my public portfolio to protect client confidentiality. Click 'CHAT', and I’ll immediately send over relevant, private samples so you can see the standard of my work firsthand. Best regards, Muhammad Arsalan
$10 USD in 5 days
0.0
0.0

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Member since Aug 24, 2026
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