# Union {% embed url="" %} 1. Under the *Modify* icon, click *Union* or use the U shortcut 2. Select the bodies or parts you wish to union, these will be highlighted in green. When ready, press Enter 3. Select the destination part you want all selected bodies to be merged to. The resulting part will have all properties and attributes of this selected part. All bodies that are touching will be merged together into one single solid. This is irreversible. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.qonic.com/documentation/qonic-application/modeling/modifying/union.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.