Most fabric stores dont carry a modern variety of prints. You will find the typical cheese ball gender categorized prints, like unicorns and tractor trailers. The best place to purchase modern prints would be Fabricana.
Here is my selection of gender neutral prints in Flannelette. I hear a Chevron print is fairly popular in the baby world right now.
Create curved corners by using a vase base as your stencil. You should have a shape like this.
Designed, photographed and written by Sheila Wong Studios