Actually its multiple layers of vernier in the process that are bent. Its a cool build but I am not so sure I would do it (bit time consuming). Maybe if I was making multiple versions.
https://www.instructables.com/id/Bent-Wood-Lamp-With-3D-Printed-Tool/
Another write-up here:
https://www.instructables.com/id/Bent-Plywood-Night-Stands/