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My issue is that I have 2 objects in edit mode, I want to use the second object to cut the first one to make a hole.

I hope the image can make what I want a little clear because I don't find the right words to explain that.

Thank you~

enter image description here enter image description here

jachym michal
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Elkazi
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1 Answers1

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Use the Knife Project tool.

Blender Manual
To use Knife Project, first while in Object Mode, select the “cutting object” then select the “object to be cut”. Now, enter Edit Mode and press Knife Project (found in the Mesh > Knife Project).

When you're done, just delete the "cutting object" and also any unwanted faces from the cut object.

enter image description here

jachym michal
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  • I can't use knife Profect, I get a message said "No other selected object found to use for projection" I think because bot of the is inside the edit mode – Elkazi Dec 26 '19 at 12:33
  • Sure. In that case, just select the polygon and separate it into another object. Mesh > Separate > Selection. – jachym michal Dec 26 '19 at 12:47
  • it's work like a magic~ Thank you a lot, you too Lukasz-40sth Respect – Elkazi Dec 26 '19 at 13:33