Begin by selecting a diameter galvanized pipe long enough to accommodate your curtains. Take that from the plumbing department over to hardware and buy two screw eyes with a ring diameter just large enough to accommodate the pipe.
Save TONS of money on drapery with these DIY no-sew drop cloth curtains. Make easy and inexpensive curtains and a DIY curtain rod on a tiny budget. Farmhouse style curtains and wood farmhouse drapery (Diy Curtains)