if you dont want do this:
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Simone Dondi 11 days ago
Hello Houssem
if you want to create a complex box with the sheet module, i suggest you to start draw with an extrusion to define the external box and when you have finish, after empty it, you can convert the extrusion into sheet metal (The easiest way for new people)
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then try extruding a plate from where all the faces come,convert it in sheet metal make the other faces, finally extrude a cut that erase the plate.