Diy Outdoor Footrest . Total time 4 hours 30 minutes. Attach remaining slats using a ¾” scrap piece for spacing. 12647497_10153863986559754_4126968377642692659_n Diy patio table from www.pinterest.com Fit the 1×3 slats to the seat of the chair. First, build the outdoor frame and then fill the frame with flat. I have designed a super simple but modern and sturdy footrest that is the perfect addition.