At the link you will find free plans to build a mid-century modern king size platform bed. These plans could be modified to build any size bed.
Build your own platform bed complete with upholstered headboard using the free tutorial at the link. Instructions are for a full-size bed but can be easily adjusted for any size.
Build this queen size Monterey bed using the complete step-by-step plans available at the link.
Here is a free woodworking plan to build a house frame bed to fit a full size mattress. These plans are complete with step-by-step instructions.
Build this platform bed with attached bookcase shelving using these free downloadable woodworking plans.
Build a bed frame using the free instructions and video at the link. Any size from a twin to a king.
Build this twin size storage bed using the free downloadable woodworking plans at the link.
Build this queen size murphy bed for your spare room using the free step-by-step plans at the link.
Build this beautiful bed frame and headboard using these free step-by-step woodworking plans.
Build this modern version of a platform bed with a nod to farmhouse style. This plan includes a headboard and footboard. Free downloadable plans are available at the link.