This Macaron Template provides a perfectly-sized guide to use in making delicious macarons. Simply purchase for free, download and print out on A4 paper. Place under parchment paper for perfect baking results. The accurate sizing makes it simpler to achieve consistent results. Remember to remove it before placing it in the oven.
Alternatively, you can purchase a reusable macaron baking mat which makes it even easier to get uniform-sized shells.