---
title: "Basic Tutorial | Radial sections of a mesh"
slug: "cyclone-3dr-exercise-radial-sections-on-a-mesh"
updated: 2026-09-07T11:51:23Z
published: 2026-09-07T11:51:23Z
canonical: "rcdocs.leica-geosystems.com/cyclone-3dr-exercise-radial-sections-on-a-mesh"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://rcdocs.leica-geosystems.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Basic Tutorial | Radial sections of a mesh

> [!TIP]
> Open the file **SectionsDynamic.3dr** ([download](https://www.cyclone3dr.com/download_helper.php?File=Cyclone3DRSampleData/SectionsDynamic.3dr)).

In the scene, show only the mesh **DamRock** and the polyline **Center axis**.

We are going to create regular sections of the mesh with a tool which allows computing planar sections around an axis.

Select the mesh and go to [Radial Sections](/v1/docs/cyclone-3dr-radialsectionc). Use the polyline to define the rotation axis ( ![axis.jpg](https://cdn.document360.io/820e11db-8ed5-45ae-ac86-f6b77dcb2aa7/Images/Documentation/axis.jpg) to define its direction, ![add.jpg](https://cdn.document360.io/820e11db-8ed5-45ae-ac86-f6b77dcb2aa7/Images/Documentation/add.jpg) to define its position). The axis is displayed in the 3D scene with arrows showing the direction of the rotation.

If you set the view to X (press **X** on the keyboard), you can see that the axis is vertical.

Choose **Regular** option. Enter 30 as **Number of steps**, so each section is created with a rotation angle of 12° from the previous one around the defined axis (360/30 = 12).

Click **Preview** then **OK** to validate the results. You should have a result similar to the image below.

![b1a84ece-a0e7-4982-9c3c-234956e00c0c.jpg](https://cdn.document360.io/820e11db-8ed5-45ae-ac86-f6b77dcb2aa7/Images/Documentation/b1a84ece-a0e7-4982-9c3c-234956e00c0c.jpg)

Create radial sections of a mesh