[header] How to put a bed frame together [title] Set the frame legs across from each other. [step] Most metal bed frames are comprised of 2 primary segments, the left leg and the right leg. Set these legs across from each other, leaving enough space in the center for the mattress itself. 
[title] Attach feet or wheels to each of the frame legs. [step] Look for short beams extending from each of the metal legs.