Modify the surface style in Civil 3D for a display in Object Viewer and Model Viewer.

Rounded pipes and structures may appear faceted in Civil 3D with the "Realistic" visual style. Changing the "Rendered object smoothness" improves the appearance.

We’re pleased to announce the release of Devotech iDAS™ 2026 , which is now fully compatible with Autodesk Civil 3D 2026 .   This release...

When designing bulk water pipelines in Civil 3D that include vertical curves, you may need to display the profile view labels at specific...

If you use a custom slope pattern style that includes a block in its definition, the block disappears after exploding the drawing, see...

Before creating pipe networks from polylines, it is best practice to pre-process the polylines to ensure accuracy (no gaps between...

Six new training videos on using Devotech iDAS  for bulk water pipeline analysis in Autodesk Civil 3D  are now available. These new...

Take your Civil 3D  skills to the next level with our latest Advanced Roads  training course! This course focuses on assemblies and...

When a drawing is opened that was never opened in Civil 3D® before, for example an AutoCAD drawing or 3rd party drawing, Civil 3D will...

The video below provides a step-by-step guide on sizing a water reticulation tank in Autodesk Civil 3D with Devotech iDAS. In this...

When analyzing stormwater or sewer networks in Autodesk Civil 3D using Devotech iDAS, you may encounter a situation where pipes with a...

The iDAS Corridor Wizard command is capable of converting multiple polylines into Civil 3D road corridors. Additionally, this command can...

If you print the pipe network profile views with the hydraulic and energy grade lines (HGL and EGL) turned off, you might see some lines...

To display flooded nodes in iDAS, follow these steps: Run the analysis (analysis must be successful) Go to the Reports - Node Flooding...

In some drawings, you may experience an issue where pipe network structures are visible in plan view but they are not visible in 3D view,...

There are 2 options available to hatch the corridor cut and fill in plan as shown in the image below: Use code set style It is easier to...

We received a request to record a training video on how to define catchment properties for the EPASWMM runoff method in Devotech iDAS...

During Autodesk® Civil 3D® testing, we found a Civil 3D command that automatically creates multiple viewports in the Civil 3D model...

Adjusting and organizing numerous profile views in a drawing can become a daunting exercise because Civil 3D does not provide any bulk...

Autodesk® Civil 3D ® does not have tools to automatically display the road edge offset (lane width) in the profile view. There is...