What you will need
How to do this project
Draw the pattern into the fabric
Attach the black fabric to the calico (using vliesioflix + iron), zig zag stitch
Use the stuffing and than sew the iliac crest and around pubic arc
After stuffing iliac bone, sew on the line and add stuffing on coccix make a straight seam and use more stuffing on the sacrum.
Hand stitch, sew the edges, and make hand stitches with the intent of "compress" the black part.
See the pubic symphysis