preparing the pleated fabric
5Ωin
2Ωin pleated panel 5Ωin 3Ωin 4Ωin 3Ωin pleated panel 2Ωin 3Ωin
3Ωin pleated panel
5Ωin 4Ωin 3Ωin 4Ωin pleated panel 4Ωin 2Ωin
5Ωin
2Ωin pleated panel 5Ωin 3Ωin 4Ωin 3Ωin pleated panel 2Ωin 3Ωin
3Ωin pleated panel
5Ωin 4Ωin 3Ωin 4Ωin pleated panel 4Ωin 2Ωin