How would I remove the selected object and the part of the other object taken up by it?

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SteamPunk_Devil
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3Boolean operations are what you need https://www.youtube.com/watch?v=lDweCpDAB_o – Duarte Farrajota Ramos Apr 26 '16 at 17:44
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Welcome to Blender Stack exchange, you might need to edit your question to explain better what you are willing to achieve. Remove the selected object might mean separate it to become an independent object, or might mean subtracting the selected mesh from the unselected. – Georges D Apr 26 '16 at 17:57
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2Possible duplicate of Cut mesh at intersection – someonewithpc Apr 26 '16 at 18:22
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There are a few ways to do this.
Using Boolean operations:
- In Edit mode
Both pieces have to be part of the same object.
On the selected piece use Mesh>Faces>Intersect(Boolean)
- In Object Mode
Both pieces have to be different objects.
Select the one that is to be cut. And add a boolean modifier and use the other object to intersect.
This method has the advantage of being non destructive and interactive. If you need to reposition or alter the cutting object you can do it and the affected object will be recalculated.
At this point you can choose to hide other object or Apply the Modifier to make the change permanent and delete the cutting object.



