# Union

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1. Under the *Modify* icon, click *Union* or use the <kbd>U</kbd> 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.