---
title: UNION（Command）
description: "Combines two or more solids, surfaces, or regions into a single, composite solid, surface, or region. ![](https://dwgsee.com/cad/support/wp-content/uploads/2024/11/union.jpg)"
url: "https://www.dwgsee.com/cad/support/docs/union/"
updated: "2024-11-18"
category: User Guide / Create Objects
tags:
  - Command Line
  - Modeling Composite Objects
  - Regions
---

# UNION（Command）

Combines two or more solids, surfaces, or regions into a single, composite solid, surface, or region.

![](https://dwgsee.com/cad/support/wp-content/uploads/2024/11/union.jpg)