To contribute to the making of a sIoper for each item, armhole lines have been classified. It was found that converting armhole lines into angle plot figures is effective and it was a method of expression that can compare the items and derive ten types of averages for every item.
These results revealed that the under-armhole lines of pattern blocks have
specific shapes for each group of coats, jackets, shirts and slopers for women. This method provides detailed discussions of the precise characteristics of sleeve lines for individual items and the diiferences among them.
The results obtained are as follows:
1. The under sleeve lines were almost the same for jackets, coats and slopers.
2. The absolute value of the sleeve of three items of jackets, coats, and slopers is large in the Gaussian curvature, whereas that of a shirt is small.
3. The peak position in the Gaussian curvature was related to that any item corresponds to the peak position of the curvature of the armhole line.
These results are valuable for the introduction of new instructional theories for sleeve-line design methods, and for establishing standards for the development of basic-pattern blocks for individual items.
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