Drafting a Back Bodice Sloper
Using the measurements taken from the dress form, the back bodice sloper is drawn according to the following diagram. The drawing to fit the BJD will be made, step-by-step. There are about 31 steps to drafting the back bodice sloper, in Modern Pattern Design by Harriet Pepin (1942).
From: Modern Pattern Design by Harriet Pepin, 1942. http://vintagesewing.info/1940s.html
Read each step carefully!
23. F-G -- Connect points F and G.
24. F-I -- Connect points F and I.
25. Check the length of lines F-G and F-I to be sure they are of equal length. Make the required correction as shown by dotted line.
26. Because the side bodice length measurement was used to establish point 10 and the new side seam H-10 was later established, it is important to check the line H-10 to make sure it equals the original side bodice length measurement. Such correction should be made at point H. (As the side seam will meet the side seam of the bodice front, it must be identical in length.)
27. J -- Locate this point 3 1/2 inches downward from point 8 in a position which is parallel to the center back line A-B. Label point J. Aalish is a 1/3 scale BJD, so 1/3 of 3.5 inches is about 3 cm.
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