Cut Across Sheet Metal Bends
You can make cuts across bend lines.
To cut across sheet metal bends:
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In an existing sheet metal part, click Unfold  or Insert, Sheet Metal, Unfold.
The Unfold PropertyManager appears.
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In the graphics area:
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Select a face as the fixed face.
The selected face appears in the Fixed face  box.
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Select the bend you want to cut across.
The selected bend appears in the Bends to unfold  box.
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Click OK  .
The selected bend only is unfolded.
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Sketch a closed profile across the flattened bend, and Extrude the cut Through All.
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To restore the part to the bent state, click Fold  or Insert, Sheet Metal, Fold.
The Fold PropertyManager appears.
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In the graphics area:
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Select a face as the fixed face.
The selected face appears in the Fixed face box.
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Select the bend you want to fold.
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Click Collect All Bends to fold all bends.
The selected bends appear in the Bends to fold  box.
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Click OK .
The selected bends fold.
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