SOLIDWORKS Macro to Split Body By Faces using SOLIDWORKS API

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This macro creates individual surface (sheet) body for each face of the selected solid or surface body using the IModeler::CreateSheetFromFaces SOLIDWORKS API method.

Dim swApp As SldWorks.SldWorks

Sub main()

    Set swApp = Application.SldWorks
    
    Dim swModel As SldWorks.ModelDoc2
    
    Set swModel = swApp.ActiveDoc
    
    If Not swModel Is Nothing Then
        
        Dim swSelMgr As SldWorks.SelectionMgr
        
        Set swSelMgr = swModel.SelectionManager
        
        Dim swBody As SldWorks.Body2
        Set swBody = swSelMgr.GetSelectedObject6(1, -1)
        
        If Not swBody Is Nothing Then
            SplitBodyFaces swModel, swBody
        Else
            MsgBox "Please select body"
        End If
        
    Else
        MsgBox "Please open part"
    End If
    
End Sub

Sub SplitBodyFaces(part As SldWorks.PartDoc, body As SldWorks.Body2)
    
    Dim swModeler As SldWorks.Modeler
    Set swModeler = swApp.GetModeler
    
    Dim vFaces As Variant
    vFaces = body.GetFaces
    
    Dim i As Integer
    
    For i = 0 To UBound(vFaces)
        
        Dim swFace(0) As SldWorks.Face2
        Set swFace(0) = vFaces(i)
        
        Dim swSheetBody As SldWorks.Body2
        Set swSheetBody = swModeler.CreateSheetFromFaces(swFace)
        part.CreateFeatureFromBody3 swSheetBody, True, swCreateFeatureBodyOpts_e.swCreateFeatureBodySimplify
        
    Next
    
End Sub

For more advanced functionality (supporting parametric approach) refer the Geomtery++ Split Body By Faces feature