Aluminum pie pans, bucket lids or even clean, sturdy pizza boxes may be used as molds for your Quikrete stepping stones. Choose a mold that is flat on both the top and bottom and more than an inch thick for best results. Otherwise, the stepping stone may crack easily under weight. How to Make Garden Stepping Stones With Quikrete | Hunker Please note: You are currently browsing img garden stepping stone design and ideas that is 1600x1200px in size. This image is listed in garden stepping stones ideas category. How to Make Garden Stepping Stones With Quikrete Hunker, 1600x1200 in 1,179.99 KB.