Why are stand-up paddleboards all the rage? because they’re ridiculously fun, like walking on water. we made a lot of believers out of folks who have tried out our. Timeless surf company stand up paddleboard frame and instruction book. build your own hollow wood sup! the timeless surf co sup is a nice well-balanced planing hull. Use these plans at your own risk! they are made by me, for me. probably not complete, not quite in the boat design tradition, but they works. boats already built have.