Now ZW3D supports to convert the imported sheetmetal part from other systems to local sheet meal and then unfold.

But sometime, you may encounter the problem of unable to unfold, why? from the report case and investigation i found that most of time it has relationship with the broken of bend face.

For example as follows, you can see an imported sheet metal part which has fillet in the bend face corner which caused the broken of bend face at the left side. So you fails to use the mark bend command directly convert it to a unfold-able local sheet metal part. How to solve it please refer to the following tips.