― I'm so excited to share the baby shortall pattern and tutorial today! I have loved making these little shortall's for my son and hope you do to! They come together fairly quickly, and it's so fun to see your t-shirt on your little one. ∙ The pattern is for about a 6-9 month size. My baby is long and skinny with a smaller than average head, so you might have to adjust the pattern for your baby. I'll give you tips in the tutorial for adjustments. ∙ What you need: ∙ One adult [...].