In cdr, you can use the cropping tool to cut off a part of a picture. The specific operation steps are as follows:

1. First, we open the software cdr and enter the operation interface of cdr.

2. Press Ctrl+I in this interface to pop up the import dialog box, and find our pictures in this dialog box.

3. After finding the picture, click Import and drag the left mouse button in the workspace to import the picture. Find the cutting tool in the toolbox.

4. Use the cropping tool to draw the cropping range on the picture.

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5. Set the rotation angle to 45 in the settings.

6. After setting the angle, you can see that the cutting range has just rotated. Double-click the left mouse button to complete the cutting.