Place 2 blocks of iron vertically
Add 1 iron block on each side of the top iron block to form a T shape
Place a carved pumpkin, jack o’lantern, or pumpkin on top of the center iron block
The iron golem will spawn automatically
For a snow golem, place 2 snow blocks vertically
Add a carved pumpkin or jack o’lantern on top
The snow golem will spawn automatically