1. Create the planar shape of this sheet metal part and flatten it.
2. After creating the deployment form, create an instance.
Point creation
3. Hide the plane shape on the model tree, otherwise the drawing will still be plane.
4. Three views are displayed normally. After printing, you need to flatten the graphics according to the following steps.
Draw the model by points, and then add the model.
5. Select in the session, then select the flattened 3D model, and then create a regular view and load it into the drawing.
After typing so many words and cutting so many pictures, please adopt them! thank you