Chromascreenties

Here’s a how-to for building a nice blue(or green)screen for chromakey effects in digital video. The design uses fabric ties for a taught surface area (and that cool trampoline look)
– Cheap Portable Chroma Key Screen

Related:
Img M350
$16 DIY Greenscreen/Bluescreen

From the pages of MAKE:
Gogreen
Go Green! – MAKE:12, p58