When it comes to choosing a 3D shirt, there are a few things you need to take into account. First and foremost, you need to make sure that the shirt fits well. A poorly fitting shirt will not only look bad, but it will also be uncomfortable to wear. Secondly, you need to consider the design of the shirt. There are a wide variety of designs available, so make sure to choose one that you like. Finally, you need to think about the price of the shirt. 3D shirt can be quite expensive, so make sure to shop around before making your final purchase.