Saturday, July 8, 2023

A STEM Project: Resizing a Sun Hat Pattern for a 7.75-inch American Girl Little Bitty Baby Doll



 A 7.75-inch Sun Hat Pattern For An American Girl Little Bitty Baby Doll 
The Criss Cross dress pattern is from a previous blog posting.


Please note, this sun hat can be hand sewn if you do not have a sewing machine using an 1/8 inch stitch length. 

Resize a Pattern

Patterns for 8 inch dolls are hard to find. It is easy to find larger size commercial patterns for bigger dolls. In this blog posting, I use the larger size pattern for an 11 inch doll and resize it for an 8 inch doll.  I used McCalls pattern M 4338.

*My directions for making this sun hat is not the same as the McCalls pattern.  Smaller sized dolls need more care when sewing. I like to hand sew things for more accuracy.

Resizing a doll dress pattern is an easy task using the Silhouette Cameo software.  The first thing you need to do is to scan the pattern into your computer and open the file in your Silhouette Cameo. Trace the image. Make sure the size is preserved.  To do this measure the original paper pattern and then the traced pattern in the Silhouette design space.  Select the entire trace and resize it to this original paper pattern size. Once the traced object is the correct size, use the following calculation:

Using the original size of the doll pattern, in my case it was 11 inches, calculate the size of the new doll pattern of 8 inches.

                  New Pattern Size        =    8 inches     =  0.727 x 100 =  72.7% reduction 
                 Original Pattern Size         11 inches

In the Silhouette design space, in the Transform drop down menu, select Scale and make the scale value 72.7%.  Apply the value. The pattern piece will now be the correct size for the 8 inch doll. 
                                                                

You can double check to see if the transform worked correctly by taking the value of the original pattern, 3 1/8 inches and multiplying that by 0.727.  The value is 2.272 inches and that corresponds to the value of the transform in Silhouette.

Sun Hat Pattern for a 7.75-inch American Girl Little Bitty Baby Doll 

I have included in the files, a pattern for two different types of brims.  One brim is scalloped and the other is round.  Choose the type of brim that you like and cut that pattern.

Here is the PDF for the dress pattern. Print out the pattern with your printer.  There is a one inch square for reference if the pattern does not get printed correctly.

Here is the .Studio file for Silhouette Cameo users. Cut the pattern piece with your Silhouette.

Here is the file as an SVG. Cut the pattern piece with your Cricut or other paper cutting machine.


1. Choose your brim type. Cut out all of the sun hat pattern pieces. I traced the pattern onto the fabric and then cut the fabric.


2. Pin the two brims right sides together.
3. Stitch around the edge of the brim with a 3/16 inch seam allowance.
4. Clip around the curved edges.
5. Turn the brim right side out.


6.  Sew the four crown pieces together, one side at a time with the right sides together. Repeat for the second crown.
7.  Baste the brim to one of the crowns with the right sides together. I recommend hand basting because of the small size of the hat.

8. Turn the second crown wrong side out and fold the bottom edge with the right side showing a 1/4 inch.
9. Hem stitch by hand the crown to the same area where your previous basting stitches were located.
10.  With a sewing machine, topstitch the crown at 1/8  inch from the brim.  

The sun hat makes a pretty accessory to the criss cross dress.

1 comment:

  1. Thank you so much for sharing the patterns and this wonderful tutorial on resizing with Cameo Silhouette machine.

    ReplyDelete