Things You'll Need
6-inch-by-26-inch square of fabric for hat
6-inch-by-26-inch square of fabric for lining
4-inch-by-10-inch clothing rubber
A baseball hat is the perfect accessory to a doll's sports outfit. At times it may not be possible to find a baseball hat to fit your doll. Nonetheless, by making your own doll hat you can choose the right size, style and color. You can even make one to match every outfit. This project requires minimal sewing skills and a small amount of time.
Measure the circumference of your dolls head around the top of the ears.
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Draw a circle on a piece of paper with a circumference slightly larger than the circumference of your dolls head. Cut along the edges of the circle. Divide the circle into four triangular sections -- like pizza slices -- and cut the sections out.
Pin the four triangular sections to the fabric. Cut out the fabric along the edges of the pattern. Remove the pins. Repeat this process with the fabric for the lining of the hat.
Pin the four sections together to form the shape of a hat. Sew the sections together. Repeat this process with the lining of the hat.
Flip the hat inside out and put the lining inside the hat, wrong side facing outward. Sew along the edge of the hat, leaving a small open space in the front of the hat.
Pull the hat right side out through the small open space in the hat.
Cut the clothing rubber into a "U" shape. This is for the brim of the hat, so make it 2-3 inches across and 2-3 inches deep to fit your doll. Trace the rubber onto your hat fabric and lining fabric leaving 1/4 inch extra fabric on one side to attach the brim to the hat. Cut the pieces out and sew them together to tightly cover the clothing rubber.
Bend the clothing rubber to form a brim shape that slopes downward on both sides. Sew it to the front of the hat -- tucking extra fabric into the hat and closing the small open space in the front of the hat.
The amount of fabric is based on an American Girl doll and may vary depending on the size of the doll.