# \[Geometry Scripting\] Dynamic mesh gets cut into pieces

**URL:** <https://forums.unrealengine.com/t/geometry-scripting-dynamic-mesh-gets-cut-into-pieces/1556364>\
**Category:** Programming & Scripting\
**Tags:** unreal-engine, meshes, Blueprint, question, CPP\
**Created:** [December 25, 2023, 6:21pm UTC](https://forums.unrealengine.com/t/geometry-scripting-dynamic-mesh-gets-cut-into-pieces/1556364 "2023-12-25T18:21:29Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![JimLi\_2022](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@JimLi\_2022](https://forums.unrealengine.com/u/JimLi_2022)\
**Post date:** [December 25, 2023, 6:21pm UTC](https://forums.unrealengine.com/t/geometry-scripting-dynamic-mesh-gets-cut-into-pieces/1556364/1 "2023-12-25T18:21:30Z")

</div>

Hi experts,

This is a question about dynamic mesh.

After mesh opertaions like subtract, a dyanmic mesh can be cut into different pieces.

 ![image](https://d3kjluh73b9h9o.cloudfront.net/original/4X/9/4/6/9463f7e8a011ef91c14960a8c9a73a45ded4a442.jpeg)

**Is there a way to get their topology information like how many pieces have been cut into?**  
(I have tried “PolyGroup” but it group number remained 1)