2D headboard - high-end look for less - uses cardboard, batting, fabric and glue!
DIY cardboard headboard...finally a cheap and easier solution.
$15 DIY headboard: cardboard, fabric, staple gun
Part 1: DIY Headboard - Using Cardboard Instead of Wood | Lady Ford's Blog About Everything!
DIY dollar store pin board
DIY Fabric headboard...looks super easy! Love this look for the guest room, especially the lights doubling at nightstands!
headboard & cardboard | DIY headboard out of cardboard!! | DIY, Tips, & Good Ideas
Make a cornice out of cardboard and attach it to a curtain rod to hand it.
Headboard using cardboard as the base? Hmmm... I could pad it with foam and cover it with a cute fabric... Would probably look awesome in a dorm room!