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Blackout Curtains Inexpensive “Light-Blocking” Curtains That Work DIY Blackout Window Panels on the Cheap Addison Flocked Blackout Panel
Curtains by sharedanddoubled, via Flickr
Best DIY Projects: How to make blackout curtains!
DIY roman shades from cheap mini-blinds. tutorial on her blog. this way is a lot easier than the other types i’ve seen.