Level the ground (if necessary) and install deck piers along a grid to support the shed. the piers will allow you to string support beams beneath the floor of the shed. in the example design, the piers are spaced 6 feet (1.8 m) apart in one direction and 4 feet (1.2 m) apart in the other for a total grid area of 12 x 8 feet.. Garden shed ideas � great ideas for adding design elements as well as function to your garden shed. how to design your own garden shed � tips and tricks for everything from building materials to create function for your shed. function. your shed�s functionality is the next on your list of considerations.. This step by step woodworking project is about free 6