In the Left Viewport select one band and duplicate it. Move and rotate it until it looks like in the image.
Now go to Editable Poly level, select Vertex Geometry Mode and arrange the vertices around the frame.
Exit the Edit Geometry Mode and click on the Mesh Smooth modifier to see the result. In the front Viewport hold the Shift Key and Drag the new band to clone it. The supporting stripes are done!
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