Diy Outdoor Mini Fridge Cabinet . Building an outdoor kitchen is a pretty big investment both in time and money. Attach 2 boards to each other with 2.25 inches (5.7 cm) screws to create a corner post, then repeat the process to make 4 corner. Image result for storage for garden fridge Outdoor mini fridge, Diy from www.pinterest.com This little outdoor kitchen was made with materials that were reclaimed from an old barn. The max size 30x25.5x41 (example of max fridge size (24”l x24”d x 32.5”h), or maybe our cabinet that is enclosed with a single hinged framed style door and our standard plank. Next, flip the bar upside.