Objective: Storing plywood/ rolling plywood.

Which of the following solutions is more sound in terms of naive physics reasoning?

Available options: a). Grab tools and materials, Cut and make the rollers out of 2 in thick wooden sheets, Drill the roller base using a screwdriver and vice grips cutting the 2x4 to 3ft, Assemble the beams by threading and cutting, build the frame using 6 vertical posts, 8 horizontal braces, a set of stilt-feet for just half the system, and some pieces of scrap 1/2 inch plywood.; b). Grab tools and materials, Cut and make the rollers out of 1/2 in thick wooden beams, Drill the roler base using a drill and c-clamps cutting the 2x4 to 7ft, Assemble the beams by threading and cutting, build the frame using 8 vertical posts, 4 horizontal braces, a set of stilt-feet for the whole system, and some pieces of scrap 3/4 inch plywood.;
b).