# Bounding box of custom mesh

**URL:** <https://forum.babylonjs.com/t/bounding-box-of-custom-mesh/53866>\
**Category:** Questions\
**Created:** [October 1, 2024, 1:16pm UTC](https://forum.babylonjs.com/t/bounding-box-of-custom-mesh/53866 "2024-10-01T13:16:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![riven04](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/riven04/32/35407_2.png) [@riven04](https://forum.babylonjs.com/u/riven04)\
**Post date:** [October 1, 2024, 1:16pm UTC](https://forum.babylonjs.com/t/bounding-box-of-custom-mesh/53866/1 "2024-10-01T13:16:13Z")

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Hi all,

Is it normal behavior for the boundingbox of a custom mesh NOT to be updated after a vertices change?

You can see it in the examples:

> **[Babylon.js Playground](https://playground.babylonjs.com/#VE6GP%234)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL and WebGPU 3D scenes

Before vertices update:  
 ![image](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/f/f/ff6b3b8fb285707e72500da45c9f82a048e49b2f.png)

After vertices update:  
 ![image](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/d/3/d3a337993bfa44145378337693bd06d70934d76f.png)

If this is normal, how can the boundingbox be updated?

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<div class="post-metadata">

**Author:** ![riven04](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/riven04/32/35407_2.png) [@riven04](https://forum.babylonjs.com/u/riven04)\
**Post date:** [October 1, 2024, 1:21pm UTC](https://forum.babylonjs.com/t/bounding-box-of-custom-mesh/53866/2 "2024-10-01T13:21:46Z")

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Solution is sphere.refreshBoundingInfo();

😅