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

Img M350
$16 DIY Greenscreen/Bluescreen

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

Collin Cunningham

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!