Here is a whole slew of DIY bed frame tutorials to choose from https://www.hometalk.com/search/posts?filter=diy%20bed%20frame
Edna: maybe this will help
I like this platform bed DIY tutorial: https://www.youtube.com/watch?v=MypBizN7Y9w
Please consider having a looking at Ana whites website. There are some awesome building plans there. You might be able to find something you like to consider. Look around for other options there -if this link is not exactly what you were hoping for.
Hope this helps.
here's a plan for construction of a platform storage bed.