At the link you can download full instructions to build a contemporary queen size four post canopy bed. Assembly for this bed will need to be completed in the room.
This four poster double bed is awesome and features both a headboard and footboard. Here is how to build it.
These plans are designed for a twin size bed, however you can simply enlarge the dimensions for a queen, king or full size bed. You can also easily modify any of the turning profiles or headboard shape if you have some ideas of your own.