Create the window-frame.

[Sharlotta]

Hello, I'm new to SketchUp, and can't figure out how to make a through hole in the window frame, before I get pushed by the push pull tool to the brink and I got through hole(see picture 1).
Now in the wall began to do the window and can't do a through hole (see picture 2).
What am I doing wrong, tell me, please.

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[d12dozr]

If you attach your model, we can take a look and troubleshoot. Hard to tell what is happening in your pictures.

[mac1]

See if does what you want http://sketchucation.com/plugin/783-holepunchtool